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Unit of Measure
Imperial
Metric
Both
Technical Specs
Inside Diameter (in)
No Preference
1/32
3/64
1/16
5/64
3/32
1/8
5/32
0.185
3/16
7/32
0.239
1/4
0.301
5/16
0.351
3/8
0.414
7/16
0.468
1/2
0.53
9/16
5/8
0.644
11/16
0.706
3/4
0.755
13/16
0.863
7/8
0.924
15/16
0.986
1
1.047
1-5/81
1-1/16
1-1/8
1.171
1-3/16
1-1/4
1-5/16
1.355
1-3/8
1-7/16
1.475
1-1/2
1-9/16
1-5/8
1-11/16
1.720
1-3/4
1-13/16
1-7/8
1-15/16
2
2-1/16
2.09
2-1/8
2-3/16
2-1/4
2-5/16
2.337
2-3/8
2-7/16
2-1/2
2-9/16
2-5/8
2-11/16
2-3/4
2-13/16
2-7/8
3
3-1/8
3-1/4
3-3/8
3-1/2
3-5/8
3-3/4
3-7/8
4
4-1/8
4-1/4
4-3/8
4-1/2
4-5/8
4-3/4
4-7/8
5
5-1/8
5-1/4
5-3/8
5-1/2
5-5/8
5-3/4
5-7/8
5.989
6
6-1/4
6-1/2
6-3/4
7
7-1/4
7-1/2
31/4
7-3/4
8
8-1/4
8-1/2
8-3/4
9
9-1/4
9-1/2
9-3/4
10
10-1/2
11
11-1/2
12
12-1/2
13
13-1/2
14
14-1/2
15
15-1/2
16
16-1/2
17
17-1/2
18
18-1/2
19
19-1/2
20
21
22
23
24
25
26
Inside Diameter (mm)
No Preference
1.15
1.5
1.8
2
2.2
2.4
2.5
2.6
2.75
2.8
3
3.1
3.2
3.3
3.4
3.5
3.6
3.8
4
4.1
4.2
4.3
4.5
4.6
4.7
4.76
4.8
4.9
5
5.1
5.3
5.5
5.6
5.7
5.8
6
6.1
6.3
6.4
6.5
6.6
6.7
6.75
6.8
7
7.1
7.2
7.3
7.5
7.6
7.8
7.94
8
8.1
8.3
8.4
8.5
8.6
8.7
8.73
8.8
8.9
9
9.1
9.3
9.5
9.52
9.6
9.8
9.9
10
10.0
10.1
10.3
10.5
10.6
10.8
11
11.1
11.11
11.2
11.3
11.5
11.6
11.8
11.91
12
12.1
12.3
12.5
12.6
13
13.1
13.2
13.3
13.5
13.6
13.8
14
14.1
14.3
14.5
14.6
14.8
14.88
15
15.08
15.1
15.3
15.5
15.6
15.8
15.88
16
16.1
16.3
16.5
16.6
16.9
17
17.1
17.3
17.5
17.6
17.8
17.86
18
18.1
18.2
18.3
18.4
18.5
18.6
19
19.1
19.15
19.2
19.3
19.5
19.6
19.8
20
20.2
20.3
20.5
20.64
20.8
21
21.1
21.3
21.5
21.6
21.7
21.8
21.9
22
22.1
22.2
22.23
22.3
22.5
23
23.3
23.5
23.7
23.81
24
24.2
24.3
24.4
24.5
24.6
24.7
25
25.1
25.2
25.3
25.5
25.7
26
26.2
26.5
27
27.1
27.3
27.5
27.6
27.7
28
28.5
28.7
29
29.1
29.2
29.4
29.5
29.6
29.7
29.9
30
30.2
30.3
30.5
30.7
31
31.2
31.5
31.6
31.7
32
32.1
32.2
32.5
33
33.3
33.5
33.7
34
34.2
34.4
34.5
34.6
34.7
35
35.1
35.2
35.5
35.7
36
36.2
36.27
36.5
37
37.1
37.2
37.5
37.6
37.7
38
38.5
38.7
39
39.2
39.4
39.45
39.5
39.6
39.7
40
40.7
41
41.2
41.3
41.5
41.6
41.7
42
42.2
42.5
43
43.7
44
44.2
44.4
44.5
44.6
44.7
45
45.3
45.7
45.84
46
47
47.6
47.7
48
48.7
49
49.2
49.4
49.5
49.6
49.7
50
50.4
50.5
51
51.6
52
52.6
53
54
54.2
54.3
54.4
54.5
54.6
55
55.5
55.6
56
57
57.4
57.6
58
59
59.2
59.4
59.5
59.6
60
60.33
61
61.6
62
62.6
63
64
64.2
64.3
64.4
64.5
64.6
65
66
66.6
67
67.6
68
68.5
69
69.2
69.4
69.5
69.6
70
70.6
71
72
73
74
74.2
74.3
74.4
74.5
74.6
75
75.5
76
77
77.2
77.5
78
79
79.2
79.3
79.4
79.5
79.6
80
81
82
83
84
84.3
84.4
84.5
84.6
85
86
87
88
89
89.2
89.3
89.4
89.5
89.6
90
91
91.5
92
92.2
93
94
94.1
94.3
94.4
94.5
94.6
95
96
96.6
97
98
99
99.3
99.4
99.5
99.6
100
101
101.6
102
103
104
104.2
104.3
104.4
104.5
104.6
105
106
107
108
109
109.2
109.3
109.4
109.5
109.6
110
110.74
111
111.6
112
113
114
114.2
114.3
114.4
114.5
114.6
115
116
117
117.1
118
119
119.4
119.5
119.6
120
121
122
123
124
124.4
124.5
124.6
125
126
127
128
129
129.3
129.4
129.5
129.6
130
131
131.6
132
133
134
134.3
134.4
134.5
134.6
135
136
137
138
139
139.3
139.4
139.5
139.6
140
141
142
143
144
144.1
144.3
144.4
144.5
144.6
145
145.29
146
147
148
148.2
149
149.3
149.5
149.6
150
152
153
154
154.3
154.5
155
156
158
159
159.3
159.5
160
162
163
164
164.1
164.3
164.5
165
166
168
169.3
169.5
170
172
174
174.3
174.5
175
177
178.5
179.3
179.5
180
182
183
184
184.3
184.5
188
189
189.3
189.5
190
192
194
194.3
194.5
195
196
197
199.3
199.5
200
205
207
210
212
214.3
214.5
215
219.3
220
224.5
225
226
229.3
229.5
230
234.5
235
236
238
239.3
239.5
240
244.5
245
249.1
249.3
249.5
250
251
252
254.5
255
259.3
259.5
260
265
269.3
270
274.5
275
278
279.3
280
284.3
284.5
285
289.3
290
293
294.5
299.3
300
309.3
312
314
319.3
319.5
339.3
339.5
340
344.3
345
359.3
359.5
360
384.5
385
392
399.3
399.5
419
419.3
431
439.3
459.3
465
490
494.50
769.3
Outside Diameter (in)
No Preference
0.07
3/32
1/8
9/64
3/16
13/64
7/32
1/4
9/32
0.297
5/16
11/32
0.369
3/8
13/32
0.429
7/16
0.495
1/2
9/16
0.624
5/8
11/16
3/4
13/16
0.818
7/8
0.900
15/16
0.949
1
1-1/16
1-1/8
1.156
1-3/16
1-1/4
1.279
1-5/16
1-3/8
1-7/16
1-1/2
1-9/16
1-5/8
1-11/16
1.711
1-3/4
1-13/16
1-7/8
1-15/16
1.956
2
2-1/16
2-1/8
2-3/16
2-1/4
2-5/16
2-3/8
2-7/16
2.455
2-1/2
2-9/16
2-5/8
2-11/16
2-3/4
2-13/16
2-7/8
2-15/16
3
3-1/16
3-1/8
3-3/16
3-1/4
3-3/8
3-7/16
3-1/2
3-5/8
3-11/16
3-3/4
3-7/8
3-15/16
4
4-1/8
4-3/16
4-1/4
4-3/8
4-7/16
4-1/2
4-5/8
4-11/16
4-3/4
4-7/8
4-15/16
5
5-1/8
5-3/16
5-1/4
5-3/8
5-7/16
5-1/2
5-5/8
5-11/16
5-3/4
5-7/8
5-15/16
6
6-1/8
6-3/16
6-1/4
6-3/8
6-7/16
6-1/2
6-5/8
6-11/16
6-3/4
6-7/8
6-15/16
7
7-1/8
7-3/16
7-1/4
7-3/8
7-7/16
7-1/2
7-5/8
7-11/16
7-3/4
7-7/8
7-15/16
8
8-1/8
8-3/16
8-1/4
8-3/8
8-7/16
8-1/2
8-5/8
8-11/16
8-3/4
8-7/8
8-15/16
9
9-1/8
9-3/16
9-1/4
9-3/8
9-7/16
9-1/2
9-5/8
9-11/16
9-3/4
9-7/8
9-15/16
10
10-1/8
10-1/4
10-3/8
10-1/2
10-3/4
10-7/8
11
11-1/4
11-3/8
11-1/2
11-3/4
11-7/8
12
12-1/4
12-3/8
12-1/2
13
13-1/4
13-3/8
13-1/2
14
14-1/4
14-3/8
14-1/2
15
15-1/4
15-3/8
15-1/2
16
16-1/4
16-3/8
16-1/2
17
17-1/4
17-3/8
17-1/2
18
18-1/4
18-3/8
18-1/2
19
19-3/8
19-1/2
20
20-3/8
20-1/2
21-3/8
21-1/2
22-3/8
22-1/2
23-3/8
23-1/2
24-3/8
24-1/2
25-3/8
25-1/2
26-3/8
26-1/2
Hardness (duro)
No Preference
70A
90A
70
75
80
90
Material
Fluorocarbon (FKM)
Nitrile
Nitrile (Buna N)
Nitrile Butadiene Rubber (Buna-N) (NBR)
Perfluoroelastomer (FFKM)
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