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 6650-01-501-4304
NSN 5915-01-014-4837
NSN 5905-00-146-0078
NSN 7035-01-106-3476
NSN 6110-01-596-6674
NSN 2925-01-197-7864
NSN 5910-01-160-7584
NSN 6645-01-231-2432
NSN 5950-01-230-7097
NSN 5950-01-645-8814
NSN 6610-00-931-3656
NSN 6130-01-426-8841