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 5915-01-099-7064
NSN 5945-01-259-2025
NSN 5925-01-043-7756
NSN 5985-00-636-8689
NSN 6645-00-081-4298
NSN 6135-01-275-1363
NSN 5960-01-200-4621
NSN 6240-01-562-4891
NSN 5855-01-010-4921
NSN 6110-01-113-6968
NSN 6685-00-203-2389
NSN 5950-01-527-1252