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 5925-01-025-6167
NSN 6145-01-291-0220
NSN 5925-00-783-6635
NSN 6645-01-469-0192
NSN 5925-01-361-4275
NSN 5985-00-754-0658
NSN 5855-01-481-8529
NSN 5999-01-542-9530
NSN 5910-01-372-0811
NSN 6240-01-577-7170
NSN 5999-01-023-1633
NSN 5855-01-515-8206