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 6685-01-211-6590
NSN 5990-01-481-3080
NSN 6150-01-513-0099
NSN 2925-01-565-6410
NSN 5996-01-397-7978
NSN 5965-00-226-0209
NSN 5895-00-446-2493
NSN 5930-01-114-8294
NSN 6135-01-231-4809
NSN 6130-00-643-4894
NSN 6320-01-426-1324
NSN 6110-01-256-9594