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 5925-01-336-8448
NSN 6220-00-112-8990
NSN 5960-01-301-3315
NSN 5965-01-290-0535
NSN 5965-00-015-7408
NSN 5965-01-250-0446
NSN 5930-01-145-0525
NSN 6685-01-374-3191
NSN 5998-01-500-3175
NSN 6645-01-486-7029
NSN 5975-01-012-9211
NSN 6135-01-354-5535