5305-01-059-1092 (5305PL0783123)
NSN 5305-01-059-1092 (NIIN 01-059-1092) is a close tolerance screw in Federal Supply Class 5305, Screws — a screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated. Manufacturer part number 5305PL0783123 (Jednolity Indeks Materialowy -, CAGE 9009H); also referenced as NAS1580A3T8 (National Aerospace Standards).
Key specs: 36 to 40 rockwell c overall hardness; full characteristics table below. NIIN assigned April 1978; DEMIL A (none required); unit of issue PG (package), $15.26 gov standard price; ships at 0.0091 lb / 0 cu ft.