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 6620-00-267-5273
NSN 5965-00-834-2603
NSN 6685-01-467-2435
NSN 5945-00-624-3724
NSN 6135-00-110-1981
NSN 6685-01-351-3921
NSN 6130-01-531-7865
NSN 6135-01-466-0192
NSN 6145-00-442-3326
NSN 6110-00-551-8321
NSN 5855-01-230-4665
NSN 5920-01-088-6554