(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(a)

[Use codes 1, 2, 3, 4BC, 4RB, 5(any)]

Open Table
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.


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