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 6320-01-415-0953
NSN 5910-01-430-7235
NSN 5950-00-946-8223
NSN 6105-01-391-2042
NSN 6130-00-242-0119
NSN 6320-01-455-3394
NSN 6645-01-550-3038
NSN 6645-01-483-1518
NSN 5950-01-200-6359
NSN 2925-01-322-9780
NSN 7035-00-111-4389
NSN 5998-01-346-7803