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 5985-00-988-6835
NSN 5965-00-424-9636
NSN 5910-01-065-0977
NSN 5945-01-372-9727
NSN 5975-01-258-4339
NSN 6685-01-542-5365
NSN 6105-00-306-0487
NSN 6130-01-138-5230
NSN 6650-01-495-8031
NSN 5975-00-578-3959
NSN 6685-01-621-9939
NSN 5895-00-076-2200