A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
NSN 5999-01-115-9118
NSN 5999-00-062-3056
NSN 2925-01-633-4048
NSN 5920-01-419-8821
NSN 6220-00-913-8486
NSN 6145-01-346-9166
NSN 6145-01-655-8955
NSN 5855-00-189-6066
NSN 7035-01-256-9598
NSN 5895-00-820-1997
NSN 6220-00-081-6429
NSN 6620-00-536-5028