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 6135-00-500-2082
NSN 5935-01-397-3337
NSN 5999-01-248-9196
NSN 5930-01-429-4826
NSN 5925-01-487-2292
NSN 6145-01-259-9203
NSN 6685-01-191-7744
NSN 6105-01-561-8993
NSN 5990-01-042-1984
NSN 5996-01-244-3450
NSN 5905-01-134-3956
NSN 5905-01-340-1088