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 5985-01-064-7201
NSN 2925-01-212-1040
NSN 5975-00-764-9958
NSN 5975-01-188-6761
NSN 6105-01-044-8956
NSN 6135-00-840-6451
NSN 4140-00-921-3814
NSN 5935-01-453-4218
NSN 5985-01-099-6973
NSN 5930-01-634-0659
NSN 5999-01-341-1254
NSN 7035-01-432-2424