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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
-026 KALREZ-70 N/A
193759 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 31.47 mm1.239 in N/A 0.003 in0.08 mm N/A 0.011 in0.28 mm N/A -026 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-027 KALREZ-70 N/A
193760 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 33.05 mm1.301 in N/A 0.003 in0.08 mm N/A 0.011 in0.28 mm N/A -027 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-028 KALREZ-70 N/A
193761 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 34.65 mm1.364 in N/A 0.003 in0.08 mm N/A 0.013 in0.33 mm N/A -028 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-029 KALREZ-70 N/A
193762 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 37.82 mm1.489 in N/A 0.003 in0.08 mm N/A 0.013 in0.33 mm N/A -029 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-030 KALREZ-70 N/A
193763 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 41.00 mm1.614 in N/A 0.003 in0.08 mm N/A 0.013 in0.33 mm N/A -030 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-031 KALREZ-70 N/A
193764 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 44.17 mm1.739 in N/A 0.003 in0.08 mm N/A 0.015 in0.36 mm N/A -031 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-032 KALREZ-70 N/A
193765 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 47.35 mm1.864 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -032 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-033 KALREZ-70 N/A
193766 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 50.52 mm1.989 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -033 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-034 KALREZ-70 N/A
193767 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 53.70 mm2.114 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -034 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-035 KALREZ-70 N/A
193768 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 56.87 mm2.239 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -035 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-036 KALREZ-70 N/A
193769 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 60.05 mm2.364 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -036 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-037 KALREZ-70 N/A
193770 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 63.22 mm2.489 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -037 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-038 KALREZ-70 N/A
193771 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 66.40 mm2.614 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -038 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-039 KALREZ-70 N/A
193772 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 69.57 mm2.739 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -039 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-040 KALREZ-70 N/A
193773 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 72.75 mm2.864 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -040 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-041 KALREZ-70 N/A
193774 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 75.92 mm2.989 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -041 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-042 KALREZ-70 N/A
193775 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 82.27 mm3.239 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -042 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-043 KALREZ-70 N/A
193776 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 88.62 mm3.489 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -043 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-044 KALREZ-70 N/A
193777 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 94.97 mm3.739 in N/A 0.003 in0.08 mm N/A 0.027 in0.69 mm N/A -044 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-045 KALREZ-70 N/A
193778 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 101.32 mm3.989 in N/A 0.003 in0.08 mm N/A 0.027 in0.69 mm N/A -045 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-046 KALREZ-70 N/A
193779 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 107.67 mm4.239 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -046 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-047 KALREZ-70 N/A
193780 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 114.02 mm4.489 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -047 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-048 KALREZ-70 N/A
193781 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 120.37 mm4.739 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -048 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-049 KALREZ-70 N/A
193782 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 126.72 mm4.989 in N/A 0.003 in0.08 mm N/A 0.037 in0.94 mm N/A -049 N/A N/A N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
-050 KALREZ-70 N/A
193783 		N/A N/A N/A 0.070 in1.78 mm N/A 70 N/A 133.07 mm5.239 in N/A 0.003 in0.08 mm N/A 0.037 in0.94 mm N/A -050 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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