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Oil-Resistant Mil. Spec. Buna-N O-Rings

Choose these O-rings for their adherence to strict military standards for material and construction. Made of Buna-N, they are resilient and offer resistance to tearing, motor oil, ammonia, ethylene glycol, isopropyl alcohol, and mineral oil. These O-rings have a round profile and are suitable for a wide range of static and dynamic sealing applications. All are sized to the SAE standard AS568.
Fractional | Actual | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dash Number | ID | OD | ID | OD | Hardness | Specifications Met | Temp. Range, °F | Color | Pkg. Qty. | Pkg. | |
Wd.: 1/16 Fractional (0.06" Actual) | |||||||||||
003 | 1/16 | 3/16 | 0.056" | 0.176" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 000000 |
Wd.: 1/16 Fractional (0.07" Actual) | |||||||||||
005 | 3/32 | 7/32 | 0.101" | 0.241" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
011 | 5/16 | 7/16 | 0.301" | 0.441" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
012 | 3/8 | 1/2 | 0.364" | 0.504" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
014 | 1/2 | 5/8 | 0.489" | 0.629" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
015 | 9/16 | 11/16 | 0.551" | 0.691" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
016 | 5/8 | 3/4 | 0.614" | 0.754" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
017 | 11/16 | 13/16 | 0.676" | 0.816" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
018 | 3/4 | 7/8 | 0.739" | 0.879" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
019 | 13/16 | 15/16 | 0.801" | 0.941" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
020 | 7/8 | 1 | 0.864" | 1.004" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 0000000 | 00000 |
021 | 15/16 | 1 1/16 | 0.926" | 1.066" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
022 | 1 | 1 1/8 | 0.989" | 1.129" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
029 | 1 1/2 | 1 5/8 | 1.489" | 1.629" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 00000000 | 00000 |
030 | 1 5/8 | 1 3/4 | 1.614" | 1.754" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 0000000 | 00000 |
035 | 2 1/4 | 2 3/8 | 2.239" | 2.379" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
036 | 2 3/8 | 2 1/2 | 2.364" | 2.504" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
038 | 2 5/8 | 2 3/4 | 2.614" | 2.754" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
040 | 2 7/8 | 3 | 2.864" | 3.004" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 0000000 | 00000 |
042 | 3 1/4 | 3 3/8 | 3.239" | 3.379" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
043 | 3 1/2 | 3 5/8 | 3.489" | 3.629" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
044 | 3 3/4 | 3 7/8 | 3.739" | 3.879" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
Wd.: 3/32 Fractional (0.103" Actual) | |||||||||||
110 | 3/8 | 9/16 | 0.362" | 0.568" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
113 | 9/16 | 3/4 | 0.549" | 0.755" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
114 | 5/8 | 13/16 | 0.612" | 0.818" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
115 | 11/16 | 7/8 | 0.674" | 0.88" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
117 | 13/16 | 1 | 0.799" | 1.005" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
119 | 15/16 | 1 1/8 | 0.924" | 1.13" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
120 | 1 | 1 3/16 | 0.987" | 1.193" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
127 | 1 7/16 | 1 5/8 | 1.424" | 1.63" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 00000000 | 00000 |
129 | 1 9/16 | 1 3/4 | 1.549" | 1.755" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 00000000 | 00000 |
130 | 1 5/8 | 1 13/16 | 1.612" | 1.818" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 00000000 | 00000 |
140 | 2 1/4 | 2 7/16 | 2.237" | 2.443" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
146 | 2 5/8 | 2 13/16 | 2.612" | 2.818" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
152 | 3 1/4 | 3 7/16 | 3.237" | 3.443" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
158 | 4 3/4 | 4 15/16 | 4.737" | 4.943" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 5 | 00000000 | 00000 |
159 | 5 | 5 3/16 | 4.987" | 5.193" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 5 | 00000000 | 00000 |
163 | 6 | 6 3/16 | 5.987" | 6.193" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 2 | 00000000 | 00000 |
Wd.: 1/8 Fractional (0.139" Actual) | |||||||||||
206 | 1/2 | 3/4 | 0.484" | 0.762" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
208 | 5/8 | 7/8 | 0.609" | 0.887" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 50 | 00000000 | 00000 |
217 | 1 3/16 | 1 7/16 | 1.171" | 1.449" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 00000000 | 00000 |
218 | 1 1/4 | 1 1/2 | 1.234" | 1.512" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 00000000 | 00000 |
220 | 1 3/8 | 1 5/8 | 1.359" | 1.637" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 25 | 00000000 | 00000 |
225 | 1 7/8 | 2 1/8 | 1.859" | 2.137" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
226 | 2 | 2 1/4 | 1.984" | 2.262" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
227 | 2 1/8 | 2 3/8 | 2.109" | 2.387" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
228 | 2 1/4 | 2 1/2 | 2.234" | 2.512" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
229 | 2 3/8 | 2 5/8 | 2.359" | 2.637" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
230 | 2 1/2 | 2 3/4 | 2.484" | 2.762" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
233 | 2 7/8 | 3 1/8 | 2.859" | 3.137" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 0000000 | 00000 |
234 | 3 | 3 1/4 | 2.984" | 3.262" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
236 | 3 1/4 | 3 1/2 | 3.234" | 3.512" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 10 | 00000000 | 00000 |
246 | 4 1/2 | 4 3/4 | 4.484" | 4.762" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 5 | 00000000 | 00000 |
249 | 4 7/8 | 5 1/8 | 4.859" | 5.137" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 5 | 00000000 | 00000 |
251 | 5 1/8 | 5 3/8 | 5.109" | 5.387" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 5 | 00000000 | 00000 |
264 | 7 1/2 | 7 3/4 | 7.484" | 7.762" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 2 | 00000000 | 00000 |
Wd.: 3/16 Fractional (0.21" Actual) | |||||||||||
372 | 8 3/4 | 9 1/8 | 8.725" | 9.145" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 2 | 00000000 | 00000 |
Wd.: 1/4 Fractional (0.275" Actual) | |||||||||||
433 | 5 1/2 | 6 | 5.475" | 6.025" | Durometer 70A (Medium) | ASTM D2000, MIL-P-83461, SAE AS568, SAE J200 | -65° to 275° | Black | 2 | 0000000 | 00000 |