外舌止动垫圈 （摘自GB 856-88）
垫圈规格为2.5～48mm的外舌止动垫圈。
标记示例：
规格10mm、材料Q215、经退火、表面氧化的外舌止动垫圈的标记：
垫圈 GB 856 10
垫圈规格为2.5～48mm的外舌止动垫圈：
|
规格
(螺纹大径)
|
d
|
D
|
b
|
L
|
S
|
d1
|
r
|
|
max
|
min
|
max
|
min
|
min
|
max
|
公称
|
min
|
max
|
|
2.5
|
2.95
|
2.7
|
10
|
9.64
|
2
|
1.75
|
3.5
|
3.2
|
3.8
|
0.4
|
2.5
|
3
|
|
3
|
3.5
|
3.2
|
12
|
11.57
|
2.5
|
2.25
|
4.5
|
4.2
|
4.8
|
0.4
|
3
|
3
|
|
4
|
4.5
|
4.2
|
14
|
13.57
|
2.5
|
2.25
|
5.5
|
5.2
|
5.8
|
0.4
|
3
|
3
|
|
5
|
5.6
|
5.3
|
17
|
16.57
|
3.5
|
3.2
|
7
|
6.64
|
7.36
|
0.5
|
4
|
4
|
|
6
|
6.76
|
6.4
|
19
|
18.48
|
3.5
|
3.2
|
7.5
|
7.14
|
7.86
|
0.5
|
4
|
4
|
|
8
|
8.76
|
8.4
|
22
|
21.48
|
3.5
|
3.2
|
8.5
|
8.14
|
8.86
|
0.5
|
4
|
4
|
|
10
|
10.93
|
10.5
|
26
|
25.48
|
4.5
|
4.2
|
10
|
9.64
|
10.36
|
0.5
|
5
|
5
|
|
12
|
13.43
|
13
|
32
|
31.38
|
4.5
|
4.2
|
12
|
11.57
|
12.43
|
1
|
5
|
6
|
|
(14)
|
15.43
|
15
|
32
|
31.38
|
4.5
|
4.2
|
12
|
11.57
|
12.43
|
1
|
5
|
6
|
|
16
|
17.43
|
17
|
40
|
39.38
|
5.5
|
5.2
|
15
|
14.57
|
15.43
|
1
|
6
|
6
|
|
(18)
|
19.52
|
19
|
45
|
44.38
|
6
|
5.7
|
18
|
17.57
|
18.43
|
1
|
7
|
7
|
|
20
|
21.52
|
21
|
45
|
44.38
|
6
|
5.7
|
18
|
17.57
|
18.43
|
1
|
7
|
7
|
|
(22)
|
23.52
|
23
|
50
|
49.38
|
7
|
6.64
|
20
|
19.48
|
20.52
|
1
|
8
|
7
|
|
24
|
25.52
|
25
|
50
|
49.38
|
7
|
6.64
|
20
|
19.48
|
20.52
|
1
|
8
|
7
|
|
(27)
|
28.52
|
28
|
58
|
57.26
|
8
|
7.64
|
23
|
22.48
|
23.52
|
1.5
|
9
|
10
|
|
30
|
31.62
|
31
|
63
|
62.26
|
8
|
7.64
|
25
|
24.48
|
25.52
|
1.5
|
9
|
10
|
|
36
|
37.62
|
37
|
75
|
74.26
|
11
|
10.57
|
31
|
30.38
|
31.62
|
1.5
|
12
|
10
|
|
42
|
43.62
|
43
|
88
|
87.13
|
11
|
10.57
|
36
|
35.38
|
36.62
|
1.5
|
12
|
12
|
|
48
|
50.62
|
50
|
100
|
99.13
|
13
|
12.57
|
40
|
39.38
|
40.62
|
1.5
|
14
|
13
|
注：尽可能不采用括号内的规格。
