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 5985-01-250-8808
NSN 5950-01-203-8104
NSN 5855-01-007-9541
NSN 6135-01-451-2120
NSN 5975-01-025-9419
NSN 5999-00-515-7354
NSN 5930-01-144-5467
NSN 6145-01-286-8122
NSN 5835-01-054-6418
NSN 5950-00-549-4313
NSN 6130-01-100-5549
NSN 5895-00-153-2595