F118 engine qualified
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.
Classification: Nuts of iron or steel
NSN 5910-01-250-4954
NSN 6135-01-357-0621
NSN 6620-01-108-3467
NSN 5990-00-613-2279
NSN 5855-01-542-9059
NSN 5925-01-535-1053
NSN 6110-01-512-2008
NSN 6240-01-523-9003
NSN 5965-01-413-9205
NSN 5996-01-655-8035
NSN 2925-01-472-4144
NSN 6240-01-527-6692