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 6610-00-504-2839
NSN 6135-01-566-1034
NSN 5975-00-489-3162
NSN 7035-01-423-8343
NSN 6320-01-409-1388
NSN 6130-00-528-7838
NSN 6110-00-185-8147
NSN 6645-00-230-4396
NSN 5905-01-594-7982
NSN 6110-01-151-7997
NSN 6150-00-398-6527
NSN 5960-01-550-8038