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 5950-01-144-9819
NSN 5915-01-235-6318
NSN 5999-00-450-4852
NSN 5905-01-044-9460
NSN 5835-00-733-9145
NSN 6135-00-405-1989
NSN 6240-00-015-3725
NSN 6150-01-415-2345
NSN 5965-00-137-9291
NSN 5925-01-112-8473
NSN 5910-00-006-3516
NSN 6610-00-222-4108