O-Ring Size Chart | GB/3452.1-92 Standard

ID

TOL.

CS

1.80±0.08

2.65±0.09

3.55±0.10

5.30±0.13

7.00±0.15

1.8

±0.13

*

2

*

2.24

*

2.5

*

2.8

*

3.15

*

3.55

*

3.75

*

4

*

4.5

*

4.87

*

5

*

5.15

*

5.3

*

5.6

*

6

*

6.3

±0.14

*

6.7

*

6.9

*

7.1

*

7.5

*

8

*

8.5

*

8.75

*

9

*

9.5

*

10

*

10.6

±0.17

*

*

11.2

*

*

11.8

*

*

12.5

*

*

13.2

*

*

14

*

*

15

*

*

16

*

*

17

*

*

18

*

*

*

19

±0.22

*

*

*

20

*

*

*

21.2

*

*

*

22.4

*

*

*

23.6

*

*

*

25

*

*

*

26.5

*

*

*

28

*

*

*

30

*

*

*

31.5

±0.30

*

*

32.5

*

*

*

33.5

*

*

34.5

*

*

*

35.5

*

*

36.5

*

*

*

37.5

*

*

38.7

*

*

*

40

*

*

*

41.2

±0.44

*

*

*

42.5

*

*

*

*

43.7

*

*

*

45

*

*

*

46.2

*

*

*

*

47.5

*

*

*

48.7

*

*

*

50

*

*

*

*

51.5

*

*

*

53

*

*

*

54.5

*

*

*

56

*

*

*

58

*

*

*

60

*

*

*

61.5

*

*

*

63

*

*

*

65

±0.53

*

*

67

*

*

*

69

*

*

71

±0.53

*

*

*

73

*

*

75

*

*

*

77.5

*

*

80

*

*

*

82.5

±0.65

*

*

85

*

*

*

87.5

*

*

90

*

*

*

92.5

*

*

95

*

*

*

97.5

*

*

100

*

*

*

103

*

*

106

*

*

*

109

*

*

*

112

*

*

*

*

115

*

*

*

118

*

*

*

*

122

±0.90

*

*

*

125

*

*

*

*

128

*

*

*

132

*

*

*

*

136

*

*

*

140

*

*

*

*

145

*

*

*

150

*

*

*

*

155

*

*

*

160

*

*

*

165

*

*

*

170

*

*

*

175

*

*

*

180

*

*

*

185

±1.20

*

*

*

190

*

*

*

195

*

*

*

200

*

*

*

206

*

*

212

*

*

218

*

*

224

±1.20

*

*

230

*

*

236

*

*

243

*

*

250

*

*

258

±1.60

*

*

265

*

*

272

*

*

280

*

*

290

*

*

300

*

*

307

*

*

315

*

*

325

±2.10

*

*

335

*

*

345

*

*

355

*

*

365

*

*

375

*

*

387

*

*

400

*

*

412

±2.60

*

425

*

437

*

450

*

462

*

475

*

487

*

500

*

515

±3.20

*

530

*

545

*

560

*

580

*

600

*

615

*

630

*

650

±4.00

*

670

*