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 2925-01-424-0235
NSN 6130-01-199-9705
NSN 5915-01-306-8800
NSN 6650-00-942-1231
NSN 6145-01-056-5515
NSN 5910-01-312-3366
NSN 6105-00-042-4469
NSN 5990-01-224-8052
NSN 5895-00-951-2003
NSN 5950-00-232-9313
NSN 6645-01-298-8837
NSN 6650-01-083-6671