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Standard Size O-Rings (Nominal Dimensions)
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Standard Size O-Rings (Nominal Dimensions)
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Explore our AS-568 & Extended Standard Size O-Rings including our new 5/32" Nominal Cross Section O-Rings. Precision Associates' O-Rings are available off the shelf in several standard compounds. Or try O-Rings in one of 1,200+ specialty materials in 20 polymer groups, including Viton®, AFLAS®, EPDM, Nitrile, HNBR (HSN), XNBR, Neoprene®, Butyl, XNBR, Silicone, Fluorosilicone, Perfluoroelastomer, Urethane, Hypalon®, and Hydrin®.
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Results 326 - 350 of 448
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Item #
C/S (inches)
C/S Tolerance (±)
I.D. (inches)
I.D. Tolerance (±)
O.D. (REF) (inches)
Nominal C/S (inches)
Nominal I.D. (inches)
Nominal O.D. (inches)
Metric C/S (mm)
Metric I.D. (mm)
Metric O.D. (mm)
1-411
0.275
0.006
2.725
0.020
3.275
1/4
2 3/4
3 1/4
7.0
69.2
83.2
1-412
0.275
0.006
2.850
0.020
3.400
1/4
2 7/8
3 3/8
7.0
72.4
86.4
1-413
0.275
0.006
2.975
0.024
3.525
1/4
3
3 1/2
7.0
75.6
89.5
1-414
0.275
0.006
3.100
0.024
3.650
1/4
3 1/8
3 5/8
7.0
78.7
92.7
1-415
0.275
0.006
3.225
0.024
3.775
1/4
3 1/4
3 3/4
7.0
81.9
95.9
1-416
0.275
0.006
3.350
0.024
3.900
1/4
3 3/8
3 7/8
7.0
85.1
99.1
1-417
0.275
0.006
3.475
0.024
4.025
1/4
3 1/2
4
7.0
88.3
102.2
1-418
0.275
0.006
3.600
0.028
4.150
1/4
3 5/8
4 1/8
7.0
91.4
105.4
1-419
0.275
0.006
3.725
0.028
4.275
1/4
3 3/4
4 1/4
7.0
94.6
108.6
1-420
0.275
0.006
3.850
0.028
4.400
1/4
3 7/8
4 3/8
7.0
97.8
111.8
1-421
0.275
0.006
3.975
0.028
4.525
1/4
4
4 1/2
7.0
101.0
114.9
1-422
0.275
0.006
4.100
0.028
4.650
1/4
4 1/8
4 5/8
7.0
104.1
118.1
1-423
0.275
0.006
4.225
0.030
4.775
1/4
4 1/4
4 3/4
7.0
107.3
121.3
1-424
0.275
0.006
4.350
0.030
4.900
1/4
4 3/8
4 7/8
7.0
110.5
124.5
1-425
0.275
0.006
4.475
0.033
5.025
1/4
4.5
5
7.0
113.7
127.6
1-426
0.275
0.006
4.600
0.033
5.150
1/4
4 5/8
5 1/8
7.0
116.8
130.8
1-427
0.275
0.006
4.725
0.033
5.275
1/4
4 3/4
5 1/4
7.0
120.0
134.0
1-428
0.275
0.006
4.850
0.033
5.400
1/4
4 7/8
5 3/8
7.0
123.2
137.2
1-429
0.275
0.006
4.975
0.037
5.525
1/4
5
5 1/2
7.0
126.4
140.3
1-430
0.275
0.006
5.100
0.037
5.650
1/4
5 1/8
5 5/8
7.0
129.5
143.5
1-431
0.275
0.006
5.225
0.037
5.775
1/4
5 1/4
5 3/4
7.0
132.7
146.7
1-432
0.275
0.006
5.350
0.037
5.900
1/4
5 3/8
5 7/8
7.0
135.9
149.9
1-433
0.275
0.006
5.475
0.037
6.025
1/4
5 1/2
6
7.0
139.1
153.0
1-434
0.275
0.006
5.600
0.037
6.150
1/4
5 5/8
6 1/8
7.0
142.2
156.2
1-435
0.275
0.006
5.725
0.037
6.275
1/4
5 3/4
6 1/4
7.0
145.4
159.4
Results 326 - 350 of 448
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