|
JIS B 2401 Reciprocating O-Ring Size Reference
|
|
Number
|
Actual Size
|
Gland Size
|
Back-up Ring Spiral
|
|
w
|
d
|
D
|
D'
|
A
|
d'
|
B
|
W'
|
T
|
Z
|
|
P3
|
1.9±0.07
|
2.8±0.12
|
6.6
|
6
|
3
|
3
|
6
|
1.5
|
0.7
|
1.2
|
|
P4
|
"
|
3.8 "
|
7.6
|
7
|
4
|
4
|
7
|
"
|
"
|
"
|
|
P5
|
"
|
4.8 "
|
8.6
|
8
|
5
|
5
|
8
|
"
|
"
|
"
|
|
P6
|
"
|
5.8 "
|
9.6
|
9
|
6
|
6
|
9
|
"
|
"
|
"
|
|
P7
|
"
|
6.8 "
|
10.6
|
10
|
7
|
7
|
10
|
"
|
"
|
"
|
|
P8
|
"
|
7.8 "
|
11.6
|
11
|
8
|
8
|
11
|
"
|
"
|
"
|
|
P9
|
"
|
8.8 "
|
12.6
|
12
|
9
|
9
|
12
|
"
|
"
|
"
|
|
P10
|
"
|
9.8 "
|
13.6
|
13
|
10
|
10
|
13
|
"
|
"
|
"
|
|
P10A
|
2.4±0.07
|
9.8 "
|
14.6
|
14
|
10
|
10
|
14
|
2.0
|
0.7
|
1.4
|
|
P11
|
"
|
10.8 "
|
15.6
|
15
|
11
|
11
|
15
|
"
|
"
|
"
|
|
P11.2
|
"
|
11.0 "
|
15.8
|
15.2
|
11.2
|
11.2
|
15.2
|
"
|
"
|
"
|
|
P12
|
"
|
11.8 "
|
16.6
|
16
|
12
|
12
|
16
|
"
|
"
|
"
|
|
P12.5
|
"
|
12.3 "
|
17.1
|
16.5
|
12.5
|
12.5
|
16.5
|
"
|
"
|
"
|
|
P14
|
"
|
13.8 "
|
18.6
|
18
|
14
|
14
|
18
|
"
|
"
|
"
|
|
P15
|
"
|
14.8 "
|
19.6
|
19
|
15
|
15
|
19
|
"
|
"
|
"
|
|
P16
|
"
|
15.8 "
|
20.6
|
20
|
16
|
16
|
20
|
"
|
"
|
"
|
|
P18
|
"
|
17.8 "
|
22.6
|
22
|
18
|
18
|
22
|
"
|
"
|
"
|
|
P20
|
"
|
19.8±0.15
|
24.6
|
24
|
20
|
20
|
24
|
"
|
"
|
"
|
|
P21
|
"
|
20.8 "
|
25.6
|
25
|
21
|
21
|
25
|
"
|
"
|
"
|
|
P22
|
"
|
21.8 "
|
26.6
|
26
|
22
|
22
|
26
|
"
|
"
|
"
|
|
P22A
|
3.5±0.1
|
21.7 "
|
28.7
|
28
|
22
|
22
|
28
|
3.0
|
0.7
|
2.5
|
|
P22.4
|
"
|
22.1 "
|
29.1
|
28.4
|
22.4
|
22.4
|
28.4
|
"
|
"
|
"
|
|
P24
|
"
|
23.7 "
|
30.7
|
30
|
24
|
24
|
30
|
"
|
"
|
"
|
|
P25
|
"
|
24.7 "
|
31.7
|
31
|
25
|
25
|
31
|
"
|
"
|
"
|
|
P25.5
|
"
|
25.2 "
|
32.2
|
31.5
|
25.5
|
25.5
|
31.5
|
"
|
"
|
"
|
|
P26
|
"
|
25.7 "
|
32.7
|
32
|
26
|
26
|
32
|
"
|
"
|
"
|
|
P28
|
"
|
27.2 "
|
34.7
|
34
|
28
|
28
|
34
|
"
|
"
|
"
|
|
P29
|
"
|
28.7 "
|
35.7
|
35
|
29
|
29
|
35
|
"
|
"
|
"
|
|
P29.5
|
"
|
29.2 "
|
36.2
|
35.3
|
29.5
|
29.5
|
35.5
|
"
|
"
|
"
|
|
P30
|
"
|
29.7 "
|
36.7
|
36
|
30
|
30
|
36
|
"
|
"
|
"
|
|
P31
|
"
|
30.7 "
|
37.7
|
37
|
31
|
31
|
37
|
"
|
"
|
"
|
|
P31.5
|
"
|
31.2 "
|
38.2
|
37.5
|
31.5
|
31.5
|
37.5
|
"
|
"
|
"
|
|
P32
|
"
|
31.7 "
|
38.7
|
38
|
32
|
32
|
38
|
"
|
"
|
"
|
|
P34
|
"
|
33.7 "
|
40.7
|
40
|
34
|
34
|
40
|
"
|
"
|
"
|
|
P35
|
"
|
34.7 "
|
41.7
|
41
|
35
|
35
|
41
|
"
|
"
|
"
|
|
P35.5
|
"
|
35.2 "
|
42.2
|
41.5
|
35.3
|
35.3
|
41.5
|
"
|
"
|
"
|
|
P36
|
"
|
35.7 "
|
42.7
|
42
|
36
|
36
|
42
|
"
|
"
|
"
|
|
P38
|
"
|
37.7 "
|
44.7
|
44
|
38
|
38
|
44
|
"
|
"
|
"
|
|
P39
|
"
|
38.7 "
|
45.7
|
45
|
39
|
39
|
45
|
"
|
"
|
"
|
|
P40
|
"
|
39.7 "
|
46.7
|
46
|
40
|
40
|
46
|
"
|
"
|
"
|
|
P41
|
"
|
40.7 "
|
47.7
|
47
|
41
|
41
|
47
|
"
|
"
|
"
|
|
P42
|
"
|
41.7±0.25
|
48.7
|
48
|
42
|
42
|
48
|
"
|
"
|
"
|
|
P44
|
3.5±0.1
|
43.7±0.25
|
50.7
|
50
|
44
|
44
|
50
|
3.0
|
0.7
|
2.5
|
|
P45
|
"
|
44.7 "
|
51.7
|
51
|
45
|
45
|
51
|
"
|
"
|
"
|
|
P46
|
"
|
45.7 "
|
52.7
|
52
|
46
|
46
|
52
|
"
|
"
|
"
|
|
P48
|
"
|
47.7 "
|
54.7
|
54
|
48
|
48
|
54
|
"
|
"
|
"
|
|
P49
|
"
|
48.7 "
|
55.7
|
55
|
49
|
49
|
55
|
"
|
"
|
"
|
|
P50
|
"
|
49.7 "
|
56.7
|
56
|
50
|
50
|
56
|
"
|
"
|
"
|
|
P48A
|
5.7±0.15
|
47.6 "
|
59.0
|
58
|
48
|
48
|
58
|
5.0
|
0.9
|
4.5
|
|
P50A
|
"
|
49.6 "
|
61.0
|
60
|
50
|
50
|
60
|
"
|
"
|
"
|
|
P52
|
"
|
51.6 "
|
63.0
|
62
|
52
|
52
|
62
|
"
|
"
|
"
|
|
P53
|
"
|
52.6 "
|
64.0
|
63
|
53
|
53
|
63
|
"
|
"
|
"
|
|
P55
|
"
|
54.6 "
|
66.0
|
65
|
55
|
55
|
65
|
"
|
"
|
"
|
|
P56
|
"
|
55.6 "
|
67.0
|
66
|
56
|
56
|
66
|
"
|
"
|
"
|
|
P58
|
"
|
57.6 "
|
69.0
|
68
|
58
|
58
|
68
|
"
|
"
|
"
|
|
P60
|
"
|
59.6 "
|
71.0
|
70
|
60
|
60
|
70
|
"
|
"
|
"
|
|
P62
|
"
|
61.6 "
|
73.0
|
72
|
62
|
62
|
72
|
"
|
"
|
"
|
|
P63
|
"
|
62.6 "
|
74.0
|
73
|
63
|
63
|
73
|
"
|
"
|
"
|
|
P65
|
"
|
64.6 "
|
76.0
|
75
|
65
|
65
|
75
|
"
|
"
|
"
|
|
P67
|
"
|
66.6 "
|
78.0
|
77
|
67
|
67
|
77
|
"
|
"
|
"
|
|
P70
|
"
|
69.6 "
|
81.0
|
80
|
70
|
70
|
80
|
"
|
"
|
"
|
|
P71
|
"
|
70.6±0.4
|
82.0
|
81
|
71
|
71
|
81
|
"
|
"
|
"
|
|
P75
|
"
|
74.6 "
|
86.0
|
85
|
75
|
75
|
85
|
"
|
"
|
"
|
|
P80
|
"
|
96.6 "
|
91.0
|
90
|
80
|
80
|
90
|
"
|
"
|
"
|
|
P85
|
"
|
84.6 "
|
96.0
|
95
|
85
|
85
|
95
|
"
|
"
|
"
|
|
P90
|
"
|
89.6 "
|
101.0
|
100
|
90
|
90
|
100
|
"
|
"
|
"
|
|
P95
|
"
|
94.6 "
|
106.0
|
105
|
95
|
95
|
105
|
"
|
"
|
"
|
|
P100
|
"
|
99.6 "
|
111.0
|
110
|
100
|
100
|
110
|
"
|
"
|
"
|
|
P102
|
"
|
101.6 "
|
113.0
|
112
|
102
|
102
|
112
|
"
|
"
|
"
|
|
P105
|
"
|
104.6 "
|
116.0
|
115
|
105
|
105
|
115
|
"
|
"
|
"
|
|
P110
|
"
|
109.6 "
|
121.0
|
120
|
110
|
110
|
120
|
"
|
"
|
"
|
|
P112
|
"
|
111.6 "
|
123.0
|
122
|
112
|
112
|
122
|
"
|
"
|
"
|
|
P115
|
"
|
114.6 "
|
126.0
|
125
|
115
|
115
|
125
|
"
|
"
|
"
|
|
P120
|
"
|
119.6 "
|
131.0
|
130
|
120
|
120
|
130
|
"
|
"
|
"
|
|
P125
|
"
|
124.6 "
|
136.0
|
135
|
125
|
125
|
135
|
"
|
"
|
"
|
|
P130
|
"
|
129.6±0.6
|
141.0
|
140
|
130
|
130
|
140
|
"
|
"
|
"
|
|
P132
|
"
|
131.6 "
|
143.0
|
142
|
132
|
132
|
142
|
"
|
"
|
"
|
|
P135
|
"
|
134.6 "
|
146.0
|
145
|
135
|
135
|
145
|
"
|
"
|
"
|
|
P140
|
"
|
139.6 "
|
151.0
|
150
|
140
|
140
|
150
|
"
|
"
|
"
|
|
P145
|
"
|
144.6 "
|
156.0
|
155
|
145
|
145
|
155
|
"
|
"
|
"
|
|
P150
|
"
|
149.6 "
|
161.0
|
160
|
150
|
150
|
160
|
"
|
"
|
"
|
|
P150A
|
8.4±0.15
|
149.5±0.6
|
166.3
|
165
|
150
|
150
|
165
|
7.5
|
1.4
|
6.0
|
|
P155
|
"
|
154.5 "
|
171.3
|
170
|
155
|
155
|
170
|
"
|
"
|
"
|
|
P160
|
"
|
159.5 "
|
176.3
|
175
|
160
|
160
|
175
|
"
|
"
|
"
|
|
P165
|
"
|
164.5 "
|
181.3
|
180
|
170
|
170
|
180
|
"
|
"
|
"
|
|
P170
|
"
|
169.5 "
|
186.3
|
185
|
170
|
170
|
185
|
"
|
"
|
"
|
|
P175
|
"
|
174.5 "
|
191.3
|
190
|
175
|
175
|
190
|
"
|
"
|
"
|
|
P180
|
"
|
179.5 "
|
196.3
|
195
|
180
|
180
|
195
|
"
|
"
|
"
|
|
P185
|
"
|
184.5±0.8
|
201.3
|
200
|
185
|
185
|
200
|
"
|
"
|
"
|
|
P190
|
"
|
189.5 "
|
206.3
|
205
|
190
|
190
|
205
|
"
|
"
|
"
|
|
P195
|
"
|
194.5 "
|
211.3
|
210
|
195
|
195
|
210
|
"
|
"
|
"
|
|
P200
|
"
|
199.5 "
|
216.3
|
215
|
200
|
200
|
215
|
"
|
"
|
"
|
|
P205
|
"
|
204.5 "
|
21.3
|
220
|
205
|
205
|
220
|
"
|
"
|
"
|
|
P209
|
"
|
208.5 "
|
225.3
|
224
|
209
|
209
|
224
|
"
|
"
|
"
|
|
P210
|
"
|
209.5 "
|
226.3
|
225
|
210
|
210
|
225
|
"
|
"
|
"
|
|
P215
|
"
|
214.5 "
|
231.3
|
230
|
215
|
215
|
230
|
"
|
"
|
"
|
|
P220
|
"
|
219.5 "
|
236.3
|
235
|
220
|
220
|
235
|
"
|
"
|
"
|
|
P225
|
"
|
224.5 "
|
241.3
|
240
|
225
|
225
|
240
|
"
|
"
|
"
|
|
P230
|
"
|
229.5 "
|
246.3
|
245
|
230
|
230
|
245
|
"
|
"
|
"
|
|
P235
|
"
|
234.5 "
|
251.3
|
250
|
235
|
235
|
250
|
"
|
"
|
"
|
|
P 240
|
"
|
239.5 "
|
256.3
|
255
|
240
|
240
|
255
|
"
|
"
|
"
|
|
P245
|
"
|
244.5 "
|
261.3
|
260
|
245
|
245
|
260
|
"
|
"
|
"
|
|
P250
|
"
|
249.5 "
|
266.3
|
265
|
250
|
250
|
265
|
"
|
"
|
"
|
|
P255
|
"
|
254.5 "
|
271.3
|
270
|
255
|
255
|
270
|
"
|
"
|
"
|
|
P260
|
"
|
259.5 "
|
276.3
|
275
|
260
|
260
|
275
|
"
|
"
|
"
|
|
P265
|
"
|
264.5 "
|
281.3
|
280
|
265
|
265
|
280
|
"
|
"
|
"
|
|
P270
|
"
|
269.5 "
|
286.3
|
285
|
270
|
270
|
285
|
"
|
"
|
"
|
|
P275
|
"
|
274.5 "
|
291.3
|
290
|
275
|
275
|
290
|
"
|
"
|
"
|
|
P280
|
"
|
279.5 "
|
296.3
|
295
|
280
|
280
|
295
|
"
|
"
|
"
|
|
P285
|
"
|
284.5 "
|
301.3
|
300
|
285
|
285
|
300
|
"
|
"
|
"
|
|
P290
|
"
|
289.5 "
|
306.3
|
305
|
290
|
290
|
305
|
"
|
"
|
"
|
|
P295
|
"
|
294.5 "
|
311.3
|
310
|
295
|
295
|
310
|
"
|
"
|
"
|
|
P300
|
"
|
299.5 "
|
316.3
|
315
|
300
|
300
|
315
|
"
|
"
|
"
|
|
P315
|
"
|
314.5±1.0
|
331.3
|
330
|
315
|
315
|
330
|
"
|
"
|
"
|
|
P320
|
"
|
319.5 "
|
336.3
|
335
|
320
|
320
|
335
|
"
|
"
|
"
|
|
P335
|
"
|
334.5 "
|
351.3
|
350
|
335
|
335
|
350
|
"
|
"
|
"
|
|
P340
|
"
|
339.5 "
|
356.3
|
355
|
340
|
340
|
355
|
"
|
"
|
"
|
|
P355
|
"
|
354.5 "
|
371.3
|
370
|
355
|
355
|
370
|
"
|
"
|
"
|
|
P360
|
"
|
359.5 "
|
376.3
|
375
|
360
|
360
|
375
|
"
|
"
|
"
|
|
P375
|
"
|
374.5 "
|
391.3
|
390
|
375
|
375
|
390
|
"
|
"
|
"
|
|
P385
|
"
|
384.5 "
|
401.3
|
400
|
385
|
385
|
400
|
"
|
"
|
"
|
|
P400
|
"
|
399.5 "
|
416.3
|
415
|
400
|
400
|
415
|
"
|
"
|
"
|
|
G25
|
3.1±0.1
|
24.4±0.15
|
30.6
|
30
|
25
|
25
|
30
|
2.5
|
0.7
|
4.5
|
|
G30
|
"
|
29.4 "
|
35.6
|
35
|
30
|
30
|
35
|
"
|
"
|
"
|
|
G35
|
"
|
34.4 "
|
40.6
|
40
|
35
|
35
|
40
|
"
|
"
|
"
|
|
G40
|
"
|
39.4 "
|
45.6
|
45
|
40
|
40
|
45
|
"
|
"
|
"
|
|
G45
|
"
|
44.4±0.25
|
50.6
|
50
|
45
|
45
|
50
|
"
|
"
|
"
|
|
G50
|
"
|
49.4 "
|
55.6
|
55
|
50
|
50
|
55
|
"
|
"
|
"
|
|
G55
|
"
|
54.4 "
|
60.6
|
60
|
55
|
55
|
60
|
"
|
"
|
"
|
|
G60
|
"
|
59.4 "
|
65.6
|
65
|
60
|
60
|
65
|
"
|
"
|
"
|
|
G65
|
"
|
64.4 "
|
70.6
|
70
|
65
|
65
|
70
|
"
|
"
|
"
|
|
G70
|
"
|
69.4 "
|
75.6
|
75
|
70
|
70
|
75
|
"
|
"
|
"
|
|
G75
|
"
|
74.4±0.14
|
80.6
|
80
|
75
|
75
|
80
|
"
|
"
|
"
|
|
G80
|
"
|
79.4 "
|
85.6
|
85
|
80
|
80
|
85
|
"
|
"
|
"
|
|
G85
|
"
|
84.4 "
|
90.6
|
90
|
85
|
85
|
90
|
"
|
"
|
"
|
|
G90
|
"
|
89.4 "
|
95.6
|
95
|
90
|
90
|
95
|
"
|
"
|
"
|
|
G95
|
"
|
94.4 "
|
100.6
|
100
|
95
|
95
|
100
|
"
|
"
|
"
|
|
G100
|
"
|
99.4 "
|
105.4
|
105
|
100
|
100
|
105
|
"
|
"
|
"
|
|
G105
|
"
|
104.4 "
|
110.6
|
110
|
105
|
105
|
110
|
"
|
"
|
"
|
|
G110
|
"
|
109.4 "
|
115.6
|
115
|
110
|
110
|
115
|
"
|
"
|
"
|
|
G115
|
"
|
114.4 "
|
120.6
|
125
|
115
|
115
|
125
|
"
|
"
|
"
|
|
G120
|
"
|
119.4 "
|
125.6
|
125
|
120
|
120
|
125
|
"
|
"
|
"
|
|
G125
|
"
|
124.4 "
|
130.6
|
130
|
125
|
125
|
130
|
"
|
"
|
"
|
|
G130
|
"
|
129.4±0.6
|
135.6
|
135
|
130
|
130
|
135
|
"
|
"
|
"
|
|
G135
|
"
|
134.4 "
|
140.6
|
140
|
135
|
135
|
140
|
"
|
"
|
"
|
|
G140
|
"
|
139.4 "
|
145.6
|
145
|
140
|
140
|
145
|
"
|
"
|
"
|
|
G145
|
"
|
144.4 "
|
150.6
|
150
|
145
|
145
|
150
|
"
|
"
|
"
|
|
G150
|
5.7±0.15
|
149.3±0.6
|
160.7
|
160
|
150
|
150
|
160
|
5.0
|
0.9
|
6.0
|
|
G155
|
"
|
154.3 "
|
165.7
|
165
|
155
|
155
|
165
|
"
|
"
|
"
|
|
G160
|
"
|
159.3 "
|
170.7
|
170
|
160
|
160
|
170
|
"
|
"
|
"
|
|
G165
|
"
|
164.3 "
|
175.7
|
175
|
165
|
165
|
175
|
"
|
"
|
"
|
|
G170
|
"
|
169.3 "
|
180.7
|
180
|
170
|
170
|
180
|
"
|
"
|
"
|
|
G175
|
"
|
174.3 "
|
185.7
|
185
|
175
|
175
|
185
|
"
|
"
|
"
|
|
G180
|
"
|
179.3 "
|
190.7
|
190
|
180
|
180
|
190
|
"
|
"
|
"
|
|
G185
|
"
|
184.3±0.8
|
195.7
|
195
|
185
|
185
|
195
|
"
|
"
|
"
|
|
G190
|
"
|
189.3 "
|
200.7
|
200
|
190
|
190
|
200
|
"
|
"
|
"
|
|
G195
|
"
|
194.3 "
|
205.7
|
205
|
195
|
195
|
205
|
"
|
"
|
"
|
|
G200
|
"
|
199.3 "
|
210.7
|
210
|
200
|
200
|
210
|
"
|
"
|
"
|
|
G210
|
"
|
209.3 "
|
220.7
|
220
|
210
|
210
|
220
|
"
|
"
|
"
|
|
G220
|
"
|
219.3 "
|
230.7
|
230
|
220
|
220
|
230
|
"
|
"
|
"
|
|
G230
|
"
|
229.3 "
|
240.7
|
240
|
230
|
230
|
240
|
"
|
"
|
"
|
|
G240
|
"
|
239.3 "
|
250.7
|
250
|
240
|
240
|
250
|
"
|
"
|
"
|
|
G250
|
"
|
249.3 "
|
260.7
|
260
|
250
|
250
|
260
|
"
|
"
|
"
|
|
G260
|
"
|
259.3 "
|
270.7
|
270
|
260
|
260
|
270
|
"
|
"
|
"
|
|
G270
|
"
|
269.3 "
|
280.7
|
280
|
270
|
270
|
280
|
"
|
"
|
"
|
|
G280
|
"
|
279.3 "
|
290.7
|
290
|
280
|
280
|
290
|
"
|
"
|
"
|
|
G290
|
"
|
289.3 "
|
300.7
|
300
|
290
|
290
|
300
|
"
|
"
|
"
|
|
G300
|
"
|
299.3 "
|
310.7
|
310
|
300
|
300
|
310
|
"
|
"
|
"
|
| 
