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 7035-00-232-4043
NSN 7035-01-062-0184
NSN 5990-01-265-8082
NSN 6150-01-191-0136
NSN 5985-01-539-1143
NSN 6220-00-803-7041
NSN 6150-00-252-2316
NSN 5965-01-534-4744
NSN 5855-00-916-2236
NSN 5855-00-918-1622
NSN 5999-01-365-4148
NSN 5855-00-054-4686