A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5925-00-190-0095
NSN 5950-01-136-7476
NSN 5905-01-104-4590
NSN 5945-01-056-4142
NSN 6150-01-517-9357
NSN 2925-00-066-9700
NSN 6320-00-004-9158
NSN 6135-01-067-8331
NSN 7035-01-459-7545
NSN 6220-01-048-9079
NSN 7035-00-420-1310
NSN 5935-01-515-8967