5306-00-141-4512 (5306PL1558302)
NSN 5306-00-141-4512 (NIIN 00-141-4512) is a close tolerance bolt in Federal Supply Class 5306, Bolts — an externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated. Manufacturer part number 5306PL1558302 (Jednolity Indeks Materialowy -, CAGE 9009H); also referenced as AN174H21A (Aeronautical Standards Group Dept Of); 84H21 (Department Of The Air Force).
Key specs: 26 rockwell c minimum and 32 rockwell c maximum overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $1.76 gov standard price; ships at 0.0404 lb / 0.0001 cu ft. Supersedes 5306-00-156-2544 (1963).