Oil-Resistant Mil Spec Buna-N O-Rings

	Cross Section Shape Cross Section Shape

	Round

	Hardness Hardness

Durometer 65A

Durometer 70A

	Hardness Rating Hardness Rating

	Medium

	Dash Number Dash Number

001
002
003
004
005
006
007
008
009
010
011
012
013
014
015
016
017
018
019
020
021
022
023
024
025
026
027
028
029
030
031
032
033
035
036
037
038
039
040
041
042
043
044
045
049
050
103
104
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
149
150
151
152
153
154
155
156
158
159
161
163
202
203
204
206
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
258
259
260
261
262
263
264
265
266
267
268
274
276
277
278
279
309
310
311
312
313
314
315
316
317
318
319
320
321
322
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
345
346
349
350
351
355
356
357
361
363
366
370
372
373
376
426
427
429
431
433
434
437
438
439
453

	System of Measurement System of Measurement

Inch

	ID ID

	OD OD

	Width Width

	Material Material

Rubber

	Specifications Met Specifications Met

ASTM

Mil. Spec.

SAE

	Color Color

	Black

	Minimum Temperature Minimum Temperature

-99° to -50° F

-49° to 0° F

	Maximum Temperature Maximum Temperature

Less than 250° F

250° to 299° F

	Fractional Width Fractional Width

	Fractional ID Fractional ID

	For Use With For Use With

	Fractional OD Fractional OD

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

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401 Products

About 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.

For technical drawings and 3-D models, click on a part number.

	Fractional		Actual
Dash Number	ID	OD	ID	OD	Hardness	Specifications Met	Temp. Range, °F	Color	Pkg. Qty.		Pkg.
Wd.: 1/32 Fractional (0.04" Actual)
001	1/32	3/32	0.029"	0.109"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	000000
001	1/32	3/32	0.029"	0.109"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
Wd.: 3/64 Fractional (0.05" Actual)
002	3/64	9/64	0.042"	0.142"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
002	3/64	9/64	0.042"	0.142"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
002	3/64	9/64	0.042"	0.142"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
Wd.: 1/16 Fractional (0.06" Actual)
003	1/16	3/16	0.056"	0.176"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
003	1/16	3/16	0.056"	0.176"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
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	00000
Wd.: 1/16 Fractional (0.07" Actual)
004	5/64	13/64	0.07"	0.21"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
004	5/64	13/64	0.07"	0.21"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
004	5/64	13/64	0.07"	0.21"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
005	3/32	7/32	0.101"	0.241"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
005	3/32	7/32	0.101"	0.241"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
005	3/32	7/32	0.101"	0.241"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
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
006	1/8	1/4	0.114"	0.254"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
006	1/8	1/4	0.114"	0.254"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
006	1/8	1/4	0.114"	0.254"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
007	5/32	9/32	0.145"	0.285"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
007	5/32	9/32	0.145"	0.285"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
008	3/16	5/16	0.176"	0.316"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
008	3/16	5/16	0.176"	0.316"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
008	3/16	5/16	0.176"	0.316"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
009	7/32	11/32	0.208"	0.348"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
009	7/32	11/32	0.208"	0.348"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
009	7/32	11/32	0.208"	0.348"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
010	1/4	3/8	0.239"	0.379"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
010	1/4	3/8	0.239"	0.379"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
010	1/4	3/8	0.239"	0.379"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
011	5/16	7/16	0.301"	0.441"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
011	5/16	7/16	0.301"	0.441"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
011	5/16	7/16	0.301"	0.441"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
012	3/8	1/2	0.364"	0.504"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
012	3/8	1/2	0.364"	0.504"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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
013	7/16	9/16	0.426"	0.566"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
013	7/16	9/16	0.426"	0.566"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
013	7/16	9/16	0.426"	0.566"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	00000
014	1/2	5/8	0.489"	0.629"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
014	1/2	5/8	0.489"	0.629"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
015	9/16	11/16	0.551"	0.691"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
016	5/8	3/4	0.614"	0.754"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
016	5/8	3/4	0.614"	0.754"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
017	11/16	13/16	0.676"	0.816"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
017	11/16	13/16	0.676"	0.816"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
018	3/4	7/8	0.739"	0.879"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
018	3/4	7/8	0.739"	0.879"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
019	13/16	15/16	0.801"	0.941"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
019	13/16	15/16	0.801"	0.941"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	0000000	00000
020	7/8	1	0.864"	1.004"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	0000000	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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
021	15/16	1 1/16	0.926"	1.066"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	50	00000000	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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
022	1	1 1/8	0.989"	1.129"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	50	00000000	00000
022	1	1 1/8	0.989"	1.129"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, 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
023	1 1/16	1 3/16	1.051"	1.191"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
024	1 1/8	1 1/4	1.114"	1.254"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
025	1 3/16	1 5/16	1.176"	1.316"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
026	1 1/4	1 3/8	1.239"	1.379"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	25	00000000	00000
027	1 5/16	1 7/16	1.301"	1.441"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	10	00000000	0000
028	1 3/8	1 1/2	1.364"	1.504"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	10	00000000	00000
029	1 1/2	1 5/8	1.489"	1.629"	Durometer 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	10	00000000	00000
029	1 1/2	1 5/8	1.489"	1.629"	Durometer 70A (Medium)	ASTM D2000, MIL-P-25732, SAE AS568, SAE J200	-65° to 275°	Black	25	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 65A (Medium)	ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200	-20° to 250°	Black	10	00000000	00000
030	1 5/8	1 3/4	1.614"	1.754"	Durometer 65A (Medium)	ASTM D2000, MIL-P-5315, SAE AS568, SAE J200	-65° to 155°	Black	25	0000000	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

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About O-Rings

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