§ 164.023-5 Performance; standard thread.
(a) Use Codes 1, 2, 3, 4BC, 4RB, 5 (any). Each thread which complies with all of the requirements of a specification listed in table 164.023-5(a) is assigned Use Codes 1, 2, 3, 4BC, 4RB, and 5 (any).
| Federal or military specification | Material | Type | Class | Ticket No. or size range |
|---|---|---|---|---|
| V-T-285E | Polyester | I or II | 1 | E, F, FF. |
| V-T-295E | Nylon | I or II | A | E, F, FF. |
| MIL-T-43624A | Polyester | 24 through 12. | ||
| MIL-T-43548C | Polyester covered only | 24 through 12. |
(b) Use Code 4B. Each thread which meets the requirements of Federal Specifications V-T-295, Type II, Class A, number size 4, is assigned Use Code 4B.