5307-00-059-4922 (SF111-15SA24A)
NSN 5307-00-059-4922 (NIIN 00-059-4922) is a locked in stud in Federal Supply Class 5307, Studs — a headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. Manufacturer part number SF111-15SA24A (Howmet Global Fastening Systems Inc, CAGE 83324).
NIIN assigned January 1961; DEMIL A (none required).