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 6150-01-443-3139
NSN 5925-01-426-6923
NSN 6105-00-688-5679
NSN 6645-00-704-3630
NSN 5925-01-209-5566
NSN 6620-01-414-4578
NSN 5990-01-510-4699
NSN 5910-01-428-7105
NSN 5855-00-145-3307
NSN 4140-01-089-9724
NSN 5910-01-512-7189
NSN 5910-01-084-0051