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 5996-01-114-8337
NSN 6320-01-607-1491
NSN 6610-00-641-3015
NSN 5905-01-170-7292
NSN 5945-01-273-0770
NSN 5998-00-772-5231
NSN 6685-01-498-9983
NSN 4140-01-516-3769
NSN 5920-01-182-7425
NSN 6320-00-242-3300
NSN 4140-00-361-4691
NSN 6130-01-095-2484