5306-01-551-1595 (01087)
NSN 5306-01-551-1595 (NIIN 01-551-1595) is a square neck bolt in Federal Supply Class 5306, Bolts — a headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head. Manufacturer part number 01087 (Midwest Fastener Supply, LLC, CAGE 6NBZ9); also referenced as 93548A607, 93549A607 (Mcmaster-Carr Supply Co).
Key specs: 80 rockwell b nominal overall hardness; full characteristics table below. NIIN assigned May 2007; DEMIL A (none required); ESD/EMI-sensitive; unit of issue EA (each), $9.71 gov standard price.