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 6645-01-191-5081
NSN 5835-01-524-4731
NSN 5975-00-583-8625
NSN 5835-01-476-8210
NSN 6685-01-524-4156
NSN 6145-01-648-8513
NSN 5975-01-410-7647
NSN 5990-00-659-8067
NSN 5855-00-757-5149
NSN 6220-01-314-5896
NSN 5835-01-442-6079
NSN 2925-00-753-8598