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 6145-00-232-0813
NSN 6645-01-644-5312
NSN 5965-01-204-8505
NSN 5915-01-192-3141
NSN 6645-01-468-4990
NSN 6135-01-656-7556
NSN 7035-00-546-2560
NSN 4140-00-184-4812
NSN 5920-01-615-0546
NSN 6110-01-472-6145
NSN 5950-01-555-8152
NSN 5910-01-631-3934