Nema Canvas C/CE Fabric Reinforced Phenolic Tubes

Canvas Phenolic Tubes 3/32 inch Wall

Canvas C/CE Fabric Reinforced Phenolic - natural (light tan to brown) Technical Data Sheet
This grade is composed of a continuous cotton woven cloth impregnated with a phenolic resin binder. This grade contains a medium weave canvas and is known primarily for it's mechanical properties. This grade is not recommended for primary insulation.

NEMA grades C, and CE Canvas Reinforced Phenolic -- natural color is typically light tan to brown. C and CE grades are composed of a continuous cotton woven cloth impregnated with a phenolic resin binder. These grades contain a medium weave canvas and are known primarily for their mechanical properties. These grades are not recommended for primary electrical insulation. 

(Grade C certifies to Mil-I-24768/16 FBM, IEC 60893-3 Type 4, PF CC 201) 

(Grade CE certifies to Mil-I-24768/14 FBG, IEC 60893-3 Type 4, PF CC 203)


Nema C/CE Chemical Resistance Chart

C/CE Tubes    C/CE Sheets  C/CE Bar Stock

Nema C/CE Tube Wall Thickness Options
.031" .062" .093" .125"
.187" .250" .375" .500"
.750" 1.00"    
 

Tubes are made in random lengths between 30" - 36".
Our pricing and minimums are based on the 36".

Tubes can also be made in 42" to 48" random lengths for the same pricing.
Measured lengths of 36"±1" and 48"±1" are also available via manual quote.

.093" Wall Thickness - CE Tubes
Part # OD (in.) ID (in.) Minimum Price Per Foot Order Online
KM-2002 .375 .187 9 Feet $6.73 Add to Order
KM-2006 .438 .250 9 Feet $28.28 Add to Order
KM-2010 .500 .312 9 Feet $7.65 Add to Order
KM-2022 .688 .500 75 Feet $19.63 Add to Order
KM-18241 .750 .562 72 Feet $20.72 Add to Order
KM-2033 .813 .625 69 Feet $21.83 Add to Order
KM-18239 .875 .687 66 Feet $22.95 Add to Order
KM-2042 .938 .750 63 Feet $24.75 Add to Order
KM-18237 1.000 .812 60 Feet $25.88 Add to Order
KM-2047 1.063 .875 57 Feet $27.03 Add to Order
KM-18235 1.125 .937 54 Feet $28.15 Add to Order
KM-2053 1.187 1.000 57 Feet $29.30 Add to Order
KM-18233 1.250 1.062 54 Feet $30.43 Add to Order
KM-18242 1.312 1.125 54 Feet $31.58 Add to Order
KM-18231 1.375 1.187 51 Feet $32.73 Add to Order
KM-18230 1.437 1.250 48 Feet $33.88 Add to Order
KM-18229 1.500 1.312 48 Feet $35.00 Add to Order
KM-18228 1.562 1.375 45 Feet $36.15 Add to Order
KM-18227 1.625 1.437 45 Feet $37.28 Add to Order
KM-18226 1.688 1.500 42 Feet $38.43 Add to Order
KM-18296 1.750 1.562 42 Feet $39.55 Add to Order
KM-18352 1.812 1.625 42 Feet $40.70 Add to Order
KM-18262 1.875 1.687 39 Feet $41.85 Add to Order
KM-18332 1.937 1.750 39 Feet $42.98 Add to Order
KM-18331 2.000 1.812 39 Feet $44.13 Add to Order
KM-18330 2.062 1.875 36 Feet $45.28 Add to Order
KM-18329 2.125 1.937 36 Feet $46.40 Add to Order
KM-18328 2.188 2.000 36 Feet $47.55 Add to Order
KM-18327 2.250 2.062 36 Feet $48.68 Add to Order
KM-18317 2.312 2.125 33 Feet $49.83 Add to Order
KM-18325 2.375 2.187 33 Feet $50.95 Add to Order
KM-18334 2.437 2.250 33 Feet $52.10 Add to Order
KM-18323 2.500 2.312 30 Feet $53.25 Add to Order
KM-18322 2.562 2.375 30 Feet $54.40 Add to Order
KM-18321 2.625 2.437 30 Feet $55.53 Add to Order
KM-18320 2.688 2.500 30 Feet $56.68 Add to Order
KM-18319 2.750 2.562 30 Feet $57.80 Add to Order
KM-18318 2.812 2.625 27 Feet $58.95 Add to Order
KM-18343 2.875 2.687 27 Feet $60.08 Add to Order
KM-18345 2.937 2.750 27 Feet $61.22 Add to Order
KM-18326 3.000 2.812 27 Feet $62.38 Add to Order
KM-18351 3.062 2.875 27 Feet $63.53 Add to Order
KM-18350 3.125 2.937 27 Feet $64.65 Add to Order
KM-18349 3.188 3.000 27 Feet $65.80 Add to Order
KM-18348 3.250 3.062 24 Feet $66.93 Add to Order
KM-18347 3.312 3.125 24 Feet $68.08 Add to Order
KM-18346 3.375 3.187 24 Feet $69.20 Add to Order
KM-17499 3.437 3.250 24 Feet $70.35 Add to Order
KM-17498 3.500 3.312 24 Feet $71.50 Add to Order
KM-17497 3.562 3.375 24 Feet $72.65 Add to Order
KM-17496 3.625 3.437 24 Feet $73.78 Add to Order
KM-17495 3.687 3.500 24 Feet $74.93 Add to Order
KM-17494 3.750 3.562 21 Feet $76.05 Add to Order
KM-18344 3.812 3.625 21 Feet $77.20 Add to Order
KM-17493 3.937 3.750 21 Feet $79.48 Add to Order
KM-17492 4.000 3.812 21 Feet $80.60 Add to Order
KM-17491 4.062 3.875 21 Feet $81.75 Add to Order
KM-17479 4.125 3.937 21 Feet $82.90 Add to Order
KM-17489 4.187 4.000 21 Feet $84.05 Add to Order
KM-17500 4.250 4.062 21 Feet $85.18 Add to Order
KM-17487 4.312 4.125 21 Feet $86.33 Add to Order
KM-17486 4.375 4.187 21 Feet $87.45 Add to Order
KM-17485 4.437 4.250 18 Feet $88.60 Add to Order
KM-17484 4.500 4.312 18 Feet $89.73 Add to Order
KM-17483 4.562 4.375 18 Feet $90.88 Add to Order
KM-17482 4.625 4.438 18 Feet $92.03 Add to Order
KM-17481 4.687 4.500 18 Feet $93.18 Add to Order
KM-17480 4.75 4.562 18 Feet $94.30 Add to Order
KM-18335 4.812 4.625 18 Feet $95.45 Add to Order
KM-17490 4.875 4.687 18 Feet $96.58 Add to Order
KM-18353 4.937 4.750 18 Feet $97.73 Add to Order
KM-18342 5.000 4.812 18 Feet $98.85 Add to Order
KM-18341 5.062 4.875 18 Feet $109.32 Add to Order
KM-18340 5.125 4.937 18 Feet $110.57 Add to Order
KM-18339 5.187 5.000 15 Feet $111.82 Add to Order
KM-18338 5.250 5.062 15 Feet $113.05 Add to Order
KM-18337 5.312 5.125 15 Feet $114.32 Add to Order
KM-18336 5.375 5.187 15 Feet $115.55 Add to Order
KM-17501 5.437 5.250 15 Feet $116.80 Add to Order
KM-18315 5.500 5.313 15 Feet $118.05 Add to Order
KM-18287 5.562 5.375 15 Feet $119.30 Add to Order
KM-17510 5.625 5.437 15 Feet $120.55 Add to Order
KM-17509 5.688 5.500 15 Feet $121.80 Add to Order
KM-17508 5.750 5.562 15 Feet $123.03 Add to Order
KM-17507 5.812 5.625 15 Feet $124.30 Add to Order
KM-17506 5.875 5.687 15 Feet $125.53 Add to Order
KM-17505 5.938 5.750 15 Feet $126.78 Add to Order
KM-17504 6.000 5.812 15 Feet $128.03 Add to Order
KM-17503 6.063 5.875 15 Feet $129.28 Add to Order
KM-17468 6.125 5.937 15 Feet $130.53 Add to Order
KM-18324 6.187 6.000 15 Feet $131.78 Add to Order
KM-17488 6.250 6.062 15 Feet $117.90 Add to Order
KM-17455 6.312 6.125 15 Feet $119.10 Add to Order
KM-17454 6.375 6.187 15 Feet $120.30 Add to Order
KM-17453 6.437 6.250 15 Feet $121.50 Add to Order
KM-17452 6.50 6.312 15 Feet $122.70 Add to Order
KM-17451 6.562 6.375 15 Feet $123.90 Add to Order
KM-17450 6.625 6.437 15 Feet $125.08 Add to Order
KM-17449 6.688 6.500 15 Feet $126.30 Add to Order
KM-17448 6.750 6.562 15 Feet $127.48 Add to Order
KM-17447 6.812 6.625 15 Feet $128.68 Add to Order
KM-18585 6.875 6.687 15 Feet $129.88 Add to Order
KM-18584 6.938 6.750 15 Feet $131.08 Add to Order
KM-18574 7.000 6.812 15 Feet $132.27 Add to Order
KM-18582 7.062 6.875 15 Feet $133.48 Add to Order
KM-18591 7.125 6.938 15 Feet $134.65 Add to Order
KM-18580 7.187 7.000 15 Feet $135.88 Add to Order
KM-18579 7.250 7.062 15 Feet $137.05 Add to Order
KM-18578 7.312 7.125 12 Feet $138.25 Add to Order
KM-18577 7.375 7.187 12 Feet $139.45 Add to Order
KM-17445 7.500 7.312 12 Feet $141.85 Add to Order
KM-17456 7.562 7.375 12 Feet $143.05 Add to Order
KM-17443 7.625 7.437 12 Feet $144.25 Add to Order
KM-17442 7.688 7.500 12 Feet $145.45 Add to Order
KM-17441 7.750 7.562 12 Feet $146.63 Add to Order
KM-17440 7.812 7.625 12 Feet $147.85 Add to Order
KM-17439 7.875 7.687 12 Feet $149.03 Add to Order
KM-17438 7.938 7.750 12 Feet $150.23 Add to Order
KM-17437 8.000 7.812 12 Feet $151.43 Add to Order
KM-17466 8.062 7.875 12 Feet $152.63 Add to Order
KM-17444 8.125 7.937 12 Feet $153.83 Add to Order
KM-17446 8.188 8.000 12 Feet $155.03 Add to Order
KM-17476 8.312 8.125 12 Feet $157.43 Add to Order
KM-17475 8.375 8.187 12 Feet $158.60 Add to Order
KM-17474 8.437 8.250 12 Feet $159.80 Add to Order
KM-17473 8.500 8.312 12 Feet $161.00 Add to Order
KM-17472 8.562 8.375 12 Feet $162.20 Add to Order
KM-17471 8.625 8.437 12 Feet $163.40 Add to Order
KM-17470 8.688 8.500 12 Feet $164.60 Add to Order
KM-17469 8.750 8.562 12 Feet $165.78 Add to Order
KM-17457 8.812 8.625 12 Feet $167.00 Add to Order
KM-17467 8.875 8.687 12 Feet $168.17 Add to Order
KM-17478 8.938 8.750 12 Feet $169.38 Add to Order
KM-17465 9.000 8.812 12 Feet $170.58 Add to Order
KM-17464 9.062 8.875 12 Feet $171.77 Add to Order
KM-17463 9.125 8.937 12 Feet $172.98 Add to Order
KM-17462 9.188 9.000 12 Feet $174.18 Add to Order
KM-17461 9.250 9.062 12 Feet $175.35 Add to Order
KM-17460 9.312 9.125 12 Feet $176.58 Add to Order
KM-17459 9.375 9.187 12 Feet $177.75 Add to Order
KM-18295 9.437 9.250 12 Feet $178.98 Add to Order
KM-17436 9.500 9.312 12 Feet $180.15 Add to Order
KM-17502 9.563 9.375 12 Feet $181.35 Add to Order
KM-18294 9.625 9.437 12 Feet $182.55 Add to Order
KM-18293 9.688 9.500 12 Feet $183.75 Add to Order
KM-18292 9.750 9.562 9 Feet $184.95 Add to Order
KM-18291 9.812 9.625 9 Feet $186.15 Add to Order
KM-18290 9.875 9.687 9 Feet $187.33 Add to Order
KM-18280 9.937 9.750 9 Feet $188.55 Add to Order
KM-18288 10.00 9.813 9 Feet $189.73 Add to Order
KM-18297 10.062 9.875 9 Feet $190.93 Add to Order
KM-18286 10.125 9.937 9 Feet $192.13 Add to Order
KM-18285 10.187 10.000 9 Feet $193.33 Add to Order
KM-18284 10.250 10.062 9 Feet $194.53 Add to Order
KM-18283 10.313 10.125 9 Feet $195.73 Add to Order
KM-18282 10.375 10.187 9 Feet $196.90 Add to Order
KM-18281 10.437 10.250 9 Feet $198.13 Add to Order
KM-18306 10.500 10.312 9 Feet $199.30 Add to Order
KM-18308 10.563 10.375 9 Feet $200.50 Add to Order
KM-18289 10.625 10.437 9 Feet $201.70 Add to Order
KM-18314 10.688 10.500 9 Feet $202.90 Add to Order
KM-18313 10.750 10.562 9 Feet $204.10 Add to Order
KM-18312 10.813 10.625 9 Feet $205.30 Add to Order
KM-18311 10.875 10.687 9 Feet $206.48 Add to Order
KM-18310 10.937 10.750 9 Feet $207.70 Add to Order
KM-18309 11.000 10.812 9 Feet $208.88 Add to Order
KM-18298 11.062 10.875 9 Feet $210.08 Add to Order
KM-18307 11.125 10.937 9 Feet $211.28 Add to Order
KM-18316 11.188 11.000 9 Feet $212.48 Add to Order
KM-18305 11.250 11.062 9 Feet $213.68 Add to Order
KM-18304 11.313 11.125 9 Feet $214.88 Add to Order
KM-18303 11.375 11.187 9 Feet $216.08 Add to Order
KM-18302 11.437 11.250 9 Feet $217.27 Add to Order
KM-18301 11.500 11.312 9 Feet $218.45 Add to Order
KM-18300 11.562 11.375 9 Feet $219.68 Add to Order
KM-18553 11.625 11.437 9 Feet $220.85 Add to Order
KM-18259 11.687 11.500 9 Feet $222.05 Add to Order
KM-18480 11.750 11.562 9 Feet $223.25 Add to Order
KM-18700 11.812 11.625 9 Feet $224.45 Add to Order
KM-18699 11.875 11.687 9 Feet $225.65 Add to Order
KM-18698 11.937 11.750 9 Feet $226.85 Add to Order
KM-18697 12.000 11.812 9 Feet $228.02 Add to Order
KM-18696 12.062 11.875 9 Feet $229.25 Add to Order
KM-18695 12.125 11.937 9 Feet $230.43 Add to Order
KM-18694 12.187 12.000 9 Feet $231.63 Add to Order
KM-18684 12.250 12.062 9 Feet $232.83 Add to Order
KM-18692 12.313 12.125 9 Feet $234.03 Add to Order
KM-18701 12.375 12.187 9 Feet $235.23 Add to Order
KM-18690 12.437 12.250 9 Feet $236.42 Add to Order
KM-18689 12.500 12.312 9 Feet $237.60 Add to Order
KM-18688 12.562 12.375 9 Feet $238.83 Add to Order
KM-18687 12.625 12.437 9 Feet $240.00 Add to Order
KM-18686 12.687 12.500 9 Feet $241.20 Add to Order
KM-18685 12.750 12.562 9 Feet $242.40 Add to Order
KM-18710 12.812 12.625 9 Feet $243.60 Add to Order
KM-18712 12.875 12.687 9 Feet $244.80 Add to Order
KM-18693 12.937 12.750 9 Feet $246.00 Add to Order
KM-18718 13.000 12.813 9 Feet $247.18 Add to Order
KM-18717 13.062 12.875 9 Feet $248.40 Add to Order
KM-18716 13.125 12.937 9 Feet $249.58 Add to Order
KM-18715 13.187 13.000 9 Feet $250.80 Add to Order
KM-18714 13.250 13.062 9 Feet $251.98 Add to Order
KM-18713 13.312 13.125 9 Feet $253.17 Add to Order
KM-18702 13.375 13.187 9 Feet $254.38 Add to Order
KM-18711 13.437 13.250 9 Feet $255.58 Add to Order
KM-18720 13.500 13.312 9 Feet $256.78 Add to Order
KM-18709 13.562 13.375 9 Feet $257.98 Add to Order
KM-18708 13.625 13.437 9 Feet $259.15 Add to Order
KM-18707 13.687 13.500 9 Feet $260.38 Add to Order
KM-18706 13.750 13.562 9 Feet $261.55 Add to Order
KM-18705 13.812 13.625 9 Feet $262.75 Add to Order
KM-18704 13.875 13.687 9 Feet $263.95 Add to Order
KM-18675 13.937 13.750 9 Feet $265.15 Add to Order
KM-18719 14.000 13.812 9 Feet $266.35 Add to Order
KM-18691 14.062 13.875 9 Feet $267.55 Add to Order
KM-18664 14.125 13.937 9 Feet $268.72 Add to Order
KM-18663 14.187 14.000 9 Feet $269.95 Add to Order
KM-18662 14.250 14.062 9 Feet $271.13 Add to Order
KM-18661 14.312 14.125 9 Feet $272.33 Add to Order
KM-18660 14.375 14.187 9 Feet $273.53 Add to Order
KM-18659 14.437 14.250 9 Feet $274.73 Add to Order
KM-18658 14.500 14.312 9 Feet $275.93 Add to Order
KM-18648 14.562 14.375 6 Feet $277.13 Add to Order
KM-18656 14.625 14.437 6 Feet $278.30 Add to Order
KM-18665 14.687 14.500 6 Feet $279.53 Add to Order
KM-18654 14.750 14.562 6 Feet $280.70 Add to Order
KM-18653 14.812 14.625 6 Feet $281.90 Add to Order
KM-18652 14.875 14.687 6 Feet $283.10 Add to Order
KM-18651 14.937 14.750 6 Feet $284.30 Add to Order
KM-18650 15.000 14.812 6 Feet $285.50 Add to Order
KM-17458 15.062 14.875 6 Feet $286.70 Add to Order
KM-18673 15.125 14.937 6 Feet $287.90 Add to Order
KM-18655 15.187 15.000 6 Feet $289.10 Add to Order
KM-18657 15.250 15.062 6 Feet $290.28 Add to Order
KM-18682 15.312 15.125 6 Feet $291.50 Add to Order
KM-18681 15.375 15.187 6 Feet $292.67 Add to Order
KM-18680 15.437 15.250 6 Feet $293.88 Add to Order
KM-18679 15.500 15.312 6 Feet $295.08 Add to Order
KM-18678 15.562 15.375 6 Feet $296.28 Add to Order
KM-18677 15.625 15.437 6 Feet $297.47 Add to Order
KM-18676 15.687 15.500 6 Feet $298.68 Add to Order
KM-18666 15.750 15.562 6 Feet $299.85 Add to Order
KM-18674 15.812 15.625 6 Feet $301.08 Add to Order
KM-18683 15.875 15.687 6 Feet $302.25 Add to Order
KM-18672 15.937 15.750 6 Feet $303.45 Add to Order
KM-18671 16.000 15.812 6 Feet $304.65 Add to Order
KM-18670 16.062 15.875 6 Feet $305.85 Add to Order
KM-18669 16.125 15.937 6 Feet $307.05 Add to Order
KM-18668 16.187 16.000 6 Feet $308.25 Add to Order
KM-18667 16.250 16.062 6 Feet $309.43 Add to Order
KM-18737 16.312 16.125 6 Feet $310.65 Add to Order
KM-18793 16.375 16.187 6 Feet $311.83 Add to Order
KM-18703 16.437 16.250 6 Feet $313.03 Add to Order
KM-18773 16.500 16.312 6 Feet $314.23 Add to Order
KM-18772 16.562 16.375 6 Feet $315.43 Add to Order
KM-18771 16.625 16.437 6 Feet $316.63 Add to Order
KM-18770 16.687 16.500 6 Feet $317.83 Add to Order
KM-18769 16.750 16.562 6 Feet $319.00 Add to Order
KM-18768 16.812 16.625 6 Feet $320.23 Add to Order
KM-18758 16.875 16.687 6 Feet $321.40 Add to Order
KM-18766 16.937 16.750 6 Feet $322.63 Add to Order
KM-18775 17.000 16.812 6 Feet $323.80 Add to Order
KM-18764 17.062 16.875 6 Feet $325.00 Add to Order
KM-18763 17.125 16.937 6 Feet $326.20 Add to Order
KM-18762 17.187 17.000 6 Feet $327.40 Add to Order
KM-18761 17.250 17.062 6 Feet $328.60 Add to Order
KM-18760 17.312 17.125 6 Feet $329.80 Add to Order
KM-18759 17.375 17.187 6 Feet $330.97 Add to Order
KM-18784 17.437 17.250 6 Feet $332.20 Add to Order
KM-18786 17.500 17.312 6 Feet $333.38 Add to Order
KM-18767 17.562 17.375 6 Feet $334.58 Add to Order
KM-18792 17.625 17.437 6 Feet $335.78 Add to Order
KM-18791 17.687 17.500 6 Feet $336.97 Add to Order
KM-18790 17.750 17.562 6 Feet $338.18 Add to Order
KM-18789 17.812 17.625 6 Feet $339.38 Add to Order
KM-18788 17.875 17.687 6 Feet $340.55 Add to Order
KM-18787 17.937 17.750 6 Feet $341.78 Add to Order
KM-18776 18.000 17.812 6 Feet $342.95 Add to Order
KM-18785 18.062 17.875 6 Feet $344.15 Add to Order
KM-18794 18.125 17.937 6 Feet $345.35 Add to Order
KM-18783 18.187 18.000 6 Feet $346.55 Add to Order
KM-18782 18.250 18.062 6 Feet $347.75 Add to Order
KM-18781 18.312 18.125 6 Feet $348.95 Add to Order
KM-18780 18.375 18.187 6 Feet $350.13 Add to Order
KM-18779 18.437 18.250 6 Feet $351.35 Add to Order
KM-18774 18.500 18.312 6 Feet $352.53 Add to Order
KM-18777 18.562 18.375 6 Feet $353.73 Add to Order
KM-18823 18.625 18.437 6 Feet $354.93 Add to Order
KM-18728 18.687 18.500 6 Feet $356.13 Add to Order
KM-18765 18.750 18.563 6 Feet $357.33 Add to Order
KM-18736 18.812 18.625 6 Feet $358.53 Add to Order
KM-18735 18.875 18.687 6 Feet $359.72 Add to Order
KM-18734 18.937 18.750 6 Feet $360.93 Add to Order
KM-18733 19.000 18.812 6 Feet $362.10 Add to Order
KM-18732 19.062 18.875 6 Feet $363.33 Add to Order
KM-18731 19.125 18.937 6 Feet $364.50 Add to Order
KM-18721 19.187 19.000 6 Feet $365.70 Add to Order
KM-18576 19.250 19.062 6 Feet $366.90 Add to Order
KM-18575 19.312 19.125 6 Feet $368.10 Add to Order
KM-18600 19.375 19.187 6 Feet $369.30 Add to Order
KM-18602 19.437 19.250 6 Feet $370.50 Add to Order
KM-18583 19.500 19.312 6 Feet $371.67 Add to Order
KM-18608 19.562 19.375 6 Feet $372.90 Add to Order
KM-18607 19.625 19.437 6 Feet $374.08 Add to Order
KM-18606 19.687 19.500 6 Feet $375.28 Add to Order
KM-18605 19.750 19.562 6 Feet $376.48 Add to Order
KM-18729 19.812 19.625 6 Feet $377.67 Add to Order
KM-18738 19.875 19.687 6 Feet $378.88 Add to Order
KM-18727 19.937 19.750 6 Feet $380.08 Add to Order
KM-18726 20.000 19.812 6 Feet $381.25 Add to Order
Rev. 05-23, 08-22, 04-22, 02-22

Phenolic Tube Tolerances
↓ Inside Diameter ↓
Outside Diameter Turned OD
Tolerance
Steel
Mandrel
Built-up
Mandrel
0.125"  to  0.749" ±.005" ±.003" -
0.750"  to  1.999" ±.005" ±.004" -
2.000"  to  4.000" ±.008" ±.006" -
4.001"  -  12.000" ±.025" ** ±.010" -
12.001" - 18.000" ±.030" ** ±.030" ±.060"
18.001" - 24.000" ±.035" ** ±.040" ±.075"
24.001" - 48.000" ±.040" ** ±.060" ±.090"

** Tubes over 8.000" OD are supplied as wound, which
are always fractions of an inch larger than stated OD.

** Tubes turned to the following OD tolerance
can be quoted on request.