46 C.F.R. § 164.023-5
Performance; standard thread.
Cite as 46 C.F.R. § 164.023-5 (2026)
(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)]
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.