5342-00-736-6335 (MS16632-4025)
NSN 5342-00-736-6335 (NIIN 00-736-6335) is a retainer ring in Federal Supply Class 5342, Hardware, Weapon System. Manufacturer part number MS16632-4025 (Military Standards, CAGE 96906); also referenced as MIL-R-21248 (Military Specifications); 5103-25 (Ahlers Aerospace, Inc.); 5103-25W (Wall-Lenk Corporation).
NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $46.62 gov standard price; ships at 0.01 lb / 0.001 cu ft.