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 5975-00-798-5491
NSN 6320-00-500-4172
NSN 5910-00-337-8292
NSN 6320-00-225-7013
NSN 5915-00-137-6608
NSN 6685-01-501-1312
NSN 5835-01-618-1225
NSN 6240-01-625-1279
NSN 6135-00-938-1351
NSN 6150-01-519-5839
NSN 6645-01-416-8429
NSN 6145-01-211-6591