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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 numbers shown on the 568 DASH Chart and are standardized by imperial dimensions. Standard O-Rings are specified by their inside diameter and cross section width. AS568 is the most commonly used standard in the U.S. for aerospace, automotive and general industrial applications.For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
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 PTFE N/A
195255 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195256 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195257 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195258 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195259 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195260 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195261 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195262 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195263 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195264 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195265 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195266 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195267 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195268 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195269 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195270 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195271 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195272 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195273 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195274 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195275 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195276 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195277 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195278 		N/A N/A N/A 0.070 in1.78 mm N/A 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 PTFE N/A
195279 		N/A N/A N/A 0.070 in1.78 mm N/A 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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