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 6620-01-064-0366
NSN 5999-01-654-2548
NSN 6320-01-498-4954
NSN 6320-01-372-8671
NSN 6135-01-428-8821
NSN 2925-01-269-1312
NSN 2925-01-459-8093
NSN 6650-00-914-5074
NSN 6110-01-324-8737
NSN 5960-01-512-0233
NSN 5925-01-491-5057
NSN 2925-01-027-1293