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 6145-01-409-1034
NSN 5920-00-763-4839
NSN 5985-00-621-1850
NSN 5905-00-987-1541
NSN 4140-01-632-1903
NSN 5950-01-540-3561
NSN 4140-00-555-1907
NSN 5910-01-113-6636
NSN 5996-01-578-6162
NSN 5920-00-809-7802
NSN 6620-00-020-3233
NSN 2925-00-936-9344