5342-00-312-6447 (676945-44)
NSN 5342-00-312-6447 (NIIN 00-312-6447) is a vertical ring latch in Federal Supply Class 5342, Hardware, Weapon System. Manufacturer part number 676945-44 (Northrop Grumman Systems Corporation, CAGE 03956); also referenced as 139633B (Lockheed Martin Corporation).
NIIN assigned January 1963; DEMIL A (none required); ships at 0.05 lb / 0.0047 cu ft.