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 6135-00-078-9931
NSN 5835-01-062-2235
NSN 5945-00-222-5994
NSN 5975-00-878-5154
NSN 5855-01-131-9336
NSN 6145-00-539-9799
NSN 5996-01-535-4343
NSN 5915-00-050-1307
NSN 5975-01-634-0678
NSN 5996-01-435-9387
NSN 5990-01-066-1526
NSN 5950-01-587-8572