View all text of Subpart 164.023 [§ 164.023-1 - § 164.023-15]
§ 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).
Table 164.023-5(
[Use codes 1, 2, 3, 4BC, 4RB, 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. |
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(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.