Preferred Sizes of Type A Plain Washers [Table 1A] (ASTM A325 / ANSI 1060)
ANSI B 18.22.1 - 1965 (R1998) A型平垫圈（优选规格） [Table 1A] (ASTM A325 / ANSI 1060)
See all versions and complete specifications: Preferred Sizes of Type A Plain Washers [Table 1A] (ASTM A325 / ANSI 1060) — Full Specification Page
| Size | P | e | r | k_max | k_min | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| - | 0.190 | 0.036 | 0.065 | 0.214 | 0.500 | 0.219 | 0.495 | 0.049 | 0.227 | 0.515 |
| 6# | 0.216 | 0.051 | 0.080 | 0.245 | 0.562 | 0.250 | 0.557 | 0.065 | 0.265 | 0.577 |
| 8# | 0.250 | 0.051 |
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| 0.080 |
| 0.307 |
| 0.734* |
| 0.312 |
| 0.727 |
| 0.065 |
| 0.327 |
| 0.749 |
| 10# | 0.312 | 0.064 | 0.104 | 0.370 | 0.875 | 0.375 | 0.868 | 0.083 | 0.390 | 0.905 |
| 12# | 0.438 | 0.051 | 0.080 | 0.464 | 0.922 | 0.469 | 0.915 | 0.065 | 0.484 | 0.937 |
| 3/16 | 0.375 | 0.064 | 0.104 | 0.433 | 1.000 | 0.438 | 0.993 | 0.083 | 0.453 | 1.030 |
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