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 5925-00-119-3333
NSN 5975-00-201-6306
NSN 2925-00-772-5611
NSN 4140-01-487-3063
NSN 5950-00-566-3185
NSN 6620-00-005-4879
NSN 6135-01-190-2628
NSN 6320-00-593-0379
NSN 5998-01-522-5897
NSN 6650-01-218-4208
NSN 5895-01-054-6492
NSN 6240-00-155-8728