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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
-348 KALREZ-70 N/A
193984
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 110.49 mm4.350 in N/A 0.005 in0.12 mm N/A 0.030 in0.76 mm N/A -348 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-349 KALREZ-70 N/A
193985
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 113.67 mm4.475 in N/A 0.005 in0.12 mm N/A 0.030 in0.76 mm N/A -349 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-350 KALREZ-70 N/A
193986
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 116.84 mm4.600 in N/A 0.005 in0.12 mm N/A 0.030 in0.76 mm N/A -350 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-351 KALREZ-70 N/A
193987
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 120.02 mm4.725 in N/A 0.005 in0.12 mm N/A 0.030 in0.76 mm N/A -351 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-352 KALREZ-70 N/A
193988
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 123.19 mm4.850 in N/A 0.005 in0.12 mm N/A 0.030 in0.76 mm N/A -352 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-353 KALREZ-70 N/A
193989
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 126.37 mm4.975 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -353 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-354 KALREZ-70 N/A
193990
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 129.54 mm5.100 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -354 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-355 KALREZ-70 N/A
193991
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 132.72 mm5.225 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -355 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-356 KALREZ-70 N/A
193992
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 135.89 mm5.350 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -356 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-357 KALREZ-70 N/A
193993
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 139.07 mm5.475 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -357 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-358 KALREZ-70 N/A
193994
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 142.24 mm5.600 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -358 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-359 KALREZ-70 N/A
193995
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 145.42 mm5.725 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -359 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-360 KALREZ-70 N/A
193996
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 148.59 mm5.850 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -360 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-361 KALREZ-70 N/A
193997
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 151.77 mm5.975 in N/A 0.005 in0.12 mm N/A 0.037 in0.94 mm N/A -361 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-362 KALREZ-70 N/A
193998
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 158.12 mm6.225 in N/A 0.005 in0.12 mm N/A 0.040 in1.02 mm N/A -362 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-363 KALREZ-70 N/A
193999
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 164.47 mm6.475 in N/A 0.005 in0.12 mm N/A 0.040 in1.02 mm N/A -363 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-364 KALREZ-70 N/A
194000
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 170.82 mm6.725 in N/A 0.005 in0.12 mm N/A 0.040 in1.02 mm N/A -364 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-365 KALREZ-70 N/A
194001
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 177.17 mm6.975 in N/A 0.005 in0.12 mm N/A 0.040 in1.02 mm N/A -365 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-366 KALREZ-70 N/A
194002
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 183.52 mm7.225 in N/A 0.005 in0.12 mm N/A 0.045 in1.14 mm N/A -366 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-367 KALREZ-70 N/A
194003
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 189.87 mm7.475 in N/A 0.005 in0.12 mm N/A 0.045 in1.14 mm N/A -367 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-368 KALREZ-70 N/A
194004
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 196.22 mm7.725 in N/A 0.005 in0.12 mm N/A 0.045 in1.14 mm N/A -368 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-369 KALREZ-70 N/A
194005
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 202.57 mm7.975 in N/A 0.005 in0.12 mm N/A 0.045 in1.14 mm N/A -369 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-370 KALREZ-70 N/A
194006
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 208.92 mm8.225 in N/A 0.005 in0.12 mm N/A 0.050 in1.30 mm N/A -370 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-371 KALREZ-70 N/A
194007
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 215.27 mm8.475 in N/A 0.005 in0.12 mm N/A 0.050 in1.30 mm N/A -371 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-372 KALREZ-70 N/A
194008
N/A N/A N/A 0.210 in5.33 mm N/A 70 N/A 221.62 mm8.725 in N/A 0.005 in0.12 mm N/A 0.050 in1.30 mm N/A -372 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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