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Standard O-Rings are available in 369 sizes as set up by the Aerospace Standard 568 published by the Society of Automotive Engineers. These sizes are designated by dash nFor more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart. Perfluoroelastomer is also known as FKKM and Perfloro.

Parts resist over 1,800 different chemicals, while offering the high temperature stability of PTFE (327°C). They’re used in aggressive chemical processing, pharmaceutical, oil rcovery, gas recovery, and aerospace applications. The proven, long-term performance of Kalrez® parts can mean less repairs, seal changes, inspections and equipment uptime for greater productivity and yield.
AS568 Buna O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

Cross Section Tolerance +/-

Inside Diameter Tolerance +/-

Size Reference - AS568

Units of Measure

Tube Size O.D.

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O-Ring Industries

Quantity
-374 KALREZ-90 N/A
194384
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 234.32 mm9.225 in N/A 0.005 in0.12 mm N/A 0.055 in1.40 mm N/A -374 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-375 KALREZ-90 N/A
194385
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 240.67 mm9.475 in N/A 0.005 in0.12 mm N/A 0.055 in1.40 mm N/A -375 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-376 KALREZ-90 N/A
194386
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 247.02 mm9.725 in N/A 0.005 in0.12 mm N/A 0.055 in1.40 mm N/A -376 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-377 KALREZ-90 N/A
194387
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 253.37 mm9.975 in N/A 0.005 in0.12 mm N/A 0.055 in1.40 mm N/A -377 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-378 KALREZ-90 N/A
194388
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 266.07 mm10.475 in N/A 0.005 in0.12 mm N/A 0.060 in1.52 mm N/A -378 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-379 KALREZ-90 N/A
194389
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 278.77 mm10.975 in N/A 0.005 in0.12 mm N/A 0.060 in1.52 mm N/A -379 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-380 KALREZ-90 N/A
194390
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 291.47 mm11.475 in N/A 0.005 in0.12 mm N/A 0.065 in1.65 mm N/A -380 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-381 KALREZ-90 N/A
194391
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 304.17 mm11.975 in N/A 0.005 in0.12 mm N/A 0.065 in1.65 mm N/A -381 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-382 KALREZ-90 N/A
194392
N/A N/A N/A 0.210 in5.34 mm N/A 90 N/A 329.55 mm12.975 in N/A 0.005 in0.12 mm N/A 0.065 in1.65 mm N/A -382 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-383 KALREZ-90 N/A
194393
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 354.97 mm13.975 in N/A 0.005 in0.12 mm N/A 0.070 in1.78 mm N/A -383 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-384 KALREZ-90 N/A
194394
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 380.37 mm14.975 in N/A 0.005 in0.12 mm N/A 0.070 in1.78 mm N/A -384 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-385 KALREZ-90 N/A
194395
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 405.26 mm15.955 in N/A 0.005 in0.12 mm N/A 0.075 in1.90 mm N/A -385 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-386 KALREZ-90 N/A
194396
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 430.66 mm16.955 in N/A 0.005 in0.12 mm N/A 0.080 in2.05 mm N/A -386 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-387 KALREZ-90 N/A
194397
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 456.06 mm17.955 in N/A 0.005 in0.12 mm N/A 0.085 in2.15 mm N/A -387 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-388 KALREZ-90 N/A
194398
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 481.46 mm18.955 in N/A 0.005 in0.12 mm N/A 0.090 in2.25 mm N/A -388 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-389 KALREZ-90 N/A
194399
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 506.86 mm19.955 in N/A 0.005 in0.12 mm N/A 0.095 in2.25 mm N/A -389 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-390 KALREZ-90 N/A
194400
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 532.26 mm20.955 in N/A 0.005 in0.12 mm N/A 0.095 in2.25 mm N/A -390 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-391 KALREZ-90 N/A
194401
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 557.66 mm21.955 in N/A 0.005 in0.12 mm N/A 0.100 in2.55 mm N/A -391 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-392 KALREZ-90 N/A
194402
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 582.65 mm22.940 in N/A 0.005 in0.12 mm N/A 0.105 in2.65 mm N/A -392 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-393 KALREZ-90 N/A
194403
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 608.10 mm23.940 in N/A 0.005 in0.12 mm N/A 0.110 in2.80 mm N/A -393 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-394 KALREZ-90 N/A
194404
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 633.50 mm24.940 in N/A 0.005 in0.12 mm N/A 0.115 in2.90 mm N/A -394 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-395 KALREZ-90 N/A
194405
N/A N/A N/A 0.210 in5.33 mm N/A 90 N/A 658.88 mm25.940 in N/A 0.005 in0.12 mm N/A 0.012 in3.05 mm N/A -395 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-400 KALREZ-90 N/A
194406
N/A N/A N/A 0.275 in6.99 mm N/A 90 N/A 34.29 mm1.350 in N/A 0.006 in0.15 mm N/A 0.015 in0.38 mm N/A -400 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-401 KALREZ-90 N/A
194407
N/A N/A N/A 0.275 in6.99 mm N/A 90 N/A 37.47 mm1.475 in N/A 0.006 in0.15 mm N/A 0.015 in0.38 mm N/A -401 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-402 KALREZ-90 N/A
194408
N/A N/A N/A 0.275 in6.99 mm N/A 90 N/A 40.64 mm1.600 in N/A 0.006 in0.15 mm N/A 0.015 in0.38 mm N/A -402 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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