AN254 (REV. 3) (NOTICE 1), AIR FORCE/NAVY AN: SCREW - THUMB, NECKED (04 APR 1998) [SUPERSEDES USAF DWG. 36A4486 IN PART]
AN254 (REV. 3) (NOTICE 1), AIR FORCE/NAVY AN: SCREW - THUMB, NECKED (04 APR 1998) [SUPERSEDES USAF DWG. 36A4486 IN PART]., AN254, dated 10 September 1982, is inactive for new design and is no longer used, except for replacement purposes.