5365-00-736-3213 (6528249)
NSN 5365-00-736-3213 (NIIN 00-736-3213) is a serrated lock ring in Federal Supply Class 5365, Bushings, Rings, Shims, And Spacers — a locking device which is serrated on the inside and outside diameters. Manufacturer part number 6528249 (Allison Transmission Inc, CAGE 73342).
NIIN assigned January 1963; DEMIL A (none required).