5306-00-638-0922 (932.09.27.107)
NSN 5306-00-638-0922 (NIIN 00-638-0922) is a machine bolt in Federal Supply Class 5306, Bolts — an externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. Manufacturer part number 932.09.27.107 (Pilatus Aircraft Ltd, CAGE S4080); also referenced as NAS428K3-12 (National Aerospace Standards).
Key specs: finished head; 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), $6.25 gov standard price.