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 6610-00-739-5096
NSN 5985-00-643-3875
NSN 5996-01-060-5925
NSN 6650-00-333-3046
NSN 5985-01-324-1981
NSN 5999-01-067-3196
NSN 5945-00-411-3690
NSN 5999-01-454-2432
NSN 5925-00-104-5761
NSN 5975-00-310-1099
NSN 5975-00-371-9428
NSN 5905-00-983-6014