| |
BS 1 Series O-Ring Size Charts
|
|
|
|
|
|
|
|
BS 1xx Series
|
|
Nominal Size
|
Actual Size
|
|
BS
|
Inches
|
Inches
|
Millimetres
|
|
No
|
I.D.
|
W
|
I.D.
|
±
|
W
|
±
|
I.D.
|
±
|
W
|
±
|
|
102
|
1/16
|
3/32
|
0.049
|
0.005
|
0.103
|
0.003
|
1.24
|
0.12
|
2.62
|
0.08
|
|
103
|
3/32
|
3/32
|
0.081
|
0.005
|
0.103
|
0.003
|
2.05
|
0.12
|
2.62
|
0.08
|
|
104
|
1/8
|
3/32
|
0.112
|
0.005
|
0.103
|
0.003
|
2.84
|
0.12
|
2.62
|
0.08
|
|
105
|
5/32
|
3/32
|
0.143
|
0.005
|
0.103
|
0.003
|
3.63
|
0.12
|
2.62
|
0.08
|
|
106
|
3/16
|
3/32
|
0.174
|
0.005
|
0.103
|
0.003
|
4.42
|
0.12
|
2.62
|
0.08
|
|
107
|
7/32
|
3/32
|
0.206
|
0.005
|
0.103
|
0.003
|
5.23
|
0.12
|
2.62
|
0.08
|
|
108
|
1/4
|
3/32
|
0.237
|
0.005
|
0.103
|
0.003
|
6.02
|
0.12
|
2.62
|
0.08
|
|
109
|
5/16
|
3/32
|
0.299
|
0.005
|
0.103
|
0.003
|
7.60
|
0.12
|
2.62
|
0.08
|
|
110
|
3/8
|
3/32
|
0.362
|
0.005
|
0.103
|
0.003
|
9.19
|
0.12
|
2.62
|
0.08
|
|
111
|
7/16
|
3/32
|
0.424
|
0.005
|
0.103
|
0.003
|
10.77
|
0.12
|
2.62
|
0.08
|
|
112
|
1/2
|
3/32
|
0.487
|
0.005
|
0.103
|
0.003
|
12.37
|
0.12
|
2.62
|
0.08
|
|
113
|
9/16
|
3/32
|
0.549
|
0.005
|
0.103
|
0.003
|
13.95
|
0.12
|
2.62
|
0.08
|
|
114
|
5/8
|
3/32
|
0.612
|
0.005
|
0.103
|
0.003
|
15.54
|
0.12
|
2.62
|
0.08
|
|
115
|
11/16
|
3/32
|
0.674
|
0.005
|
0.103
|
0.003
|
17.12
|
0.12
|
2.62
|
0.08
|
|
116
|
3/4
|
3/32
|
0.737
|
0.005
|
0.103
|
0.003
|
18.72
|
0.12
|
2.62
|
0.08
|
|
117
|
13/16
|
3/32
|
0.799
|
0.006
|
0.103
|
0.003
|
20.29
|
0.15
|
2.62
|
0.08
|
|
118
|
7/8
|
3/32
|
0.862
|
0.006
|
0.103
|
0.003
|
21.90
|
0.15
|
2.62
|
0.08
|
|
119
|
15/16
|
3/32
|
0.924
|
0.006
|
0.103
|
0.003
|
23.47
|
0.15
|
2.62
|
0.08
|
|
120
|
1
|
3/32
|
0.987
|
0.006
|
0.103
|
0.003
|
25.07
|
0.15
|
2.62
|
0.08
|
|
121
|
1 1/16
|
3/32
|
1.049
|
0.006
|
0.103
|
0.003
|
26.65
|
0.15
|
2.62
|
0.08
|
|
122
|
1 1/8
|
3/32
|
1.112
|
0.006
|
0.103
|
0.003
|
28.25
|
0.15
|
2.62
|
0.08
|
|
123
|
1 3/16
|
3/32
|
1.174
|
0.006
|
0.103
|
0.003
|
29.82
|
0.15
|
2.62
|
0.08
|
|
124
|
1 1/4
|
3/32
|
1.237
|
0.006
|
0.103
|
0.003
|
31.42
|
0.15
|
2.62
|
0.08
|
|
125
|
1 5/16
|
3/32
|
1.299
|
0.006
|
0.103
|
0.003
|
33.00
|
0.15
|
2.62
|
0.08
|
|
126
|
1 3/8
|
3/32
|
1.362
|
0.006
|
0.103
|
0.003
|
34.60
|
0.15
|
2.62
|
0.08
|
|
127
|
1 7/16
|
3/32
|
1.424
|
0.006
|
0.103
|
0.003
|
36.17
|
0.15
|
2.62
|
0.08
|
|
128
|
1 1/2
|
3/32
|
1.487
|
0.006
|
0.103
|
0.003
|
37.77
|
0.15
|
2.62
|
0.08
|
|
129
|
1 9/16
|
3/32
|
1.549
|
0.010
|
0.103
|
0.003
|
39.35
|
0.25
|
2.62
|
0.08
|
|
130
|
1 5/8
|
3/32
|
1.612
|
0.010
|
0.103
|
0.003
|
40.95
|
0.25
|
2.62
|
0.08
|
|
131
|
1 11/16
|
3/32
|
1.674
|
0.010
|
0.103
|
0.003
|
42.52
|
0.25
|
2.62
|
0.08
|
|
132
|
1 3/4
|
3/32
|
1.737
|
0.010
|
0.103
|
0.003
|
44.12
|
0.25
|
2.62
|
0.08
|
|
133
|
1 13/16
|
3/32
|
1.799
|
0.010
|
0.103
|
0.003
|
45.70
|
0.25
|
2.62
|
0.08
|
|
134
|
1 7/8
|
3/32
|
1.862
|
0.010
|
0.103
|
0.003
|
47.30
|
0.25
|
2.62
|
0.08
|
|
135
|
1 15/16
|
3/32
|
1.925
|
0.010
|
0.103
|
0.003
|
48.90
|
0.25
|
2.62
|
0.08
|
|
136
|
2
|
3/32
|
1.987
|
0.010
|
0.103
|
0.003
|
50.47
|
0.25
|
2.62
|
0.08
|
|
137
|
2 1/16
|
3/32
|
2.050
|
0.010
|
0.103
|
0.003
|
52.07
|
0.25
|
2.62
|
0.08
|
|
138
|
2 1/8
|
3/32
|
2.112
|
0.010
|
0.103
|
0.003
|
53.65
|
0.25
|
2.62
|
0.08
|
|
139
|
2 3/16
|
3/32
|
2.175
|
0.010
|
0.103
|
0.003
|
55.25
|
0.25
|
2.62
|
0.08
|
|
140
|
2 1/4
|
3/32
|
2.237
|
0.010
|
0.103
|
0.003
|
56.82
|
0.25
|
2.62
|
0.08
|
|
141
|
2 5/16
|
3/32
|
2.300
|
0.010
|
0.103
|
0.003
|
58.42
|
0.25
|
2.62
|
0.08
|
|
142
|
2 3/8
|
3/32
|
2.362
|
0.010
|
0.103
|
0.003
|
60.00
|
0.25
|
2.62
|
0.08
|
|
143
|
2 7/16
|
3/32
|
2.425
|
0.010
|
0.103
|
0.003
|
61.60
|
0.25
|
2.62
|
0.08
|
|
144
|
2 1/2
|
3/32
|
2.487
|
0.010
|
0.103
|
0.003
|
63.17
|
0.25
|
2.62
|
0.08
|
|
145
|
2 9/16
|
3/32
|
2.550
|
0.010
|
0.103
|
0.003
|
64.77
|
0.25
|
2.62
|
0.08
|
|
146
|
2 5/8
|
3/32
|
2.612
|
0.010
|
0.103
|
0.003
|
66.35
|
0.25
|
2.62
|
0.08
|
|
147
|
2 11/16
|
3/32
|
2.675
|
0.015
|
0.103
|
0.003
|
67.95
|
0.25
|
2.62
|
0.08
|
|
148
|
2 3/4
|
3/32
|
2.737
|
0.015
|
0.103
|
0.003
|
69.52
|
0.38
|
2.62
|
0.08
|
|
149
|
2 13/16
|
3/32
|
2.800
|
0.015
|
0.103
|
0.003
|
71.12
|
0.38
|
2.62
|
0.08
|
|
150
|
2 7/8
|
3/32
|
2.862
|
0.015
|
0.103
|
0.003
|
72.70
|
0.38
|
2.62
|
0.08
|
|
151
|
3
|
3/32
|
2.987
|
0.015
|
0.103
|
0.003
|
75.87
|
0.38
|
2.62
|
0.08
|
|
152
|
3 1/4
|
3/32
|
3.237
|
0.015
|
0.103
|
0.003
|
82.22
|
0.38
|
2.62
|
0.08
|
|
153
|
3 1/2
|
3/32
|
3.487
|
0.015
|
0.103
|
0.003
|
88.57
|
0.38
|
2.62
|
0.08
|
|
154
|
3 3/4
|
3/32
|
3.737
|
0.015
|
0.103
|
0.003
|
94.92
|
0.38
|
2.62
|
0.08
|
|
155
|
4
|
3/32
|
3.987
|
0.015
|
0.103
|
0.003
|
101.27
|
0.38
|
2.62
|
0.08
|
|
156
|
4 1/4
|
3/32
|
4.237
|
0.015
|
0.103
|
0.003
|
107.62
|
0.38
|
2.62
|
0.08
|
|
157
|
4 1/2
|
3/32
|
4.487
|
0.015
|
0.103
|
0.003
|
113.97
|
0.38
|
2.62
|
0.08
|
|
158
|
4 3/4
|
3/32
|
4.737
|
0.015
|
0.103
|
0.003
|
120.32
|
0.38
|
2.62
|
0.08
|
|
159
|
5
|
3/32
|
4.987
|
0.015
|
0.103
|
0.003
|
126.67
|
0.38
|
2.62
|
0.08
|
|
160
|
5 1/4
|
3/32
|
5.237
|
0.023
|
0.103
|
0.003
|
133.02
|
0.58
|
2.62
|
0.08
|
|
161
|
5 1/2
|
3/32
|
5.487
|
0.023
|
0.103
|
0.003
|
139.37
|
0.58
|
2.62
|
0.08
|
|
162
|
5 3/4
|
3/32
|
5.737
|
0.023
|
0.103
|
0.003
|
145.72
|
0.58
|
2.62
|
0.08
|
|
163
|
6
|
3/32
|
5.987
|
0.023
|
0.103
|
0.003
|
152.07
|
0.58
|
2.62
|
0.08
|
|
164
|
6 1/4
|
3/32
|
6.237
|
0.023
|
0.103
|
0.003
|
158.42
|
0.58
|
2.62
|
0.08
|
|
165
|
6 1/2
|
3/32
|
6.487
|
0.023
|
0.103
|
0.003
|
164.77
|
0.58
|
2.62
|
0.08
|
|
166
|
6 3/4
|
3/32
|
6.737
|
0.023
|
0.103
|
0.003
|
171.12
|
0.58
|
2.62
|
0.08
|
|
167
|
7
|
3/32
|
6.987
|
0.023
|
0.103
|
0.003
|
177.47
|
0.58
|
2.62
|
0.08
|
|
168
|
7 1/4
|
3/32
|
7.237
|
0.030
|
0.103
|
0.003
|
183.82
|
0.76
|
2.62
|
0.08
|
|
169
|
7 1/2
|
3/32
|
7.487
|
0.030
|
0.103
|
0.003
|
190.17
|
0.76
|
2.62
|
0.08
|
|
170
|
7 3/4
|
3/32
|
7.737
|
0.030
|
0.103
|
0.003
|
196.52
|
0.76
|
2.62
|
0.08
|
|
171
|
8
|
3/32
|
7.987
|
0.030
|
0.103
|
0.003
|
202.87
|
0.76
|
2.62
|
0.08
|
|
172
|
8 1/4
|
3/32
|
8.237
|
0.030
|
0.103
|
0.003
|
209.22
|
0.76
|
2.62
|
0.08
|
|
173
|
8 1/2
|
3/32
|
8.487
|
0.030
|
0.103
|
0.003
|
215.57
|
0.76
|
2.62
|
0.08
|
|
174
|
8 3/4
|
3/32
|
8.737
|
0.030
|
0.103
|
0.003
|
221.92
|
0.76
|
2.62
|
0.08
|
|
175
|
9
|
3/32
|
8.987
|
0.030
|
0.103
|
0.003
|
228.27
|
0.76
|
2.62
|
0.08
|
|
176
|
9 1/4
|
3/32
|
9.237
|
0.030
|
0.103
|
0.003
|
234.62
|
0.76
|
2.62
|
0.08
|
|
177
|
9 1/2
|
3/32
|
9.487
|
0.030
|
0.103
|
0.003
|
240.97
|
0.76
|
2.62
|
0.08
|
|
178
|
9 3/4
|
3/32
|
9.737
|
0.030
|
0.103
|
0.003
|
247.32
|
0.76
|
2.62
|
0.08
|
|
|
|