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 5996-01-534-6853
NSN 6145-00-350-9285
NSN 5996-01-600-0348
NSN 5945-01-020-7897
NSN 6105-00-816-9397
NSN 6135-01-051-7836
NSN 6320-00-456-0836
NSN 6320-01-425-1417
NSN 7035-00-009-8705
NSN 6620-01-510-3501
NSN 6220-01-195-0322
NSN 5960-00-434-0229