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 5855-01-224-7975
NSN 5925-01-399-6777
NSN 5925-01-041-1191
NSN 4140-00-104-7323
NSN 5905-01-058-2241
NSN 5910-00-353-6649
NSN 5930-01-367-6905
NSN 5930-01-281-8739
NSN 4140-01-012-2460
NSN 5920-01-363-9397
NSN 5999-01-139-0781
NSN 6105-00-949-2100