5306-00-054-8024 (ASME-B18.5)
NSN 5306-00-054-8024 (NIIN 00-054-8024) 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 ASME-B18.5 (The American Society Of Mechanical, CAGE 05047); also referenced as FF-B-584 TY1CL1STAGR1 (General Services Administration); FF-B-584 (Federal Specifications Promulgated); MS35751-47 (Military Standards); B18.5 (American National Standards).
Key specs: 95 rockwell b maximum overall hardness; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue BX (box), $11.85 gov standard price; ships at 2 lb / 0.0292 cu ft. Supersedes 5306-00-059-1237 (1980), 5306-00-010-9106 (1960); related NSN 5306-00-012-6652, 5306-00-012-8667, 5306-00-282-0109.