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 5915-01-552-3324
NSN 6110-00-244-1354
NSN 5925-01-430-0026
NSN 5990-00-811-0841
NSN 6240-01-088-0389
NSN 5999-00-242-8035
NSN 6150-01-037-1996
NSN 5985-01-137-6113
NSN 5905-00-041-6524
NSN 5915-01-476-8841
NSN 6685-00-788-7527
NSN 7035-01-454-3284