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 6220-00-772-6790
NSN 5985-00-529-0020
NSN 5945-00-639-9848
NSN 6110-00-232-5406
NSN 5975-00-246-4906
NSN 2925-01-527-8745
NSN 6645-00-462-0097
NSN 5985-01-476-2218
NSN 6645-01-463-3441
NSN 6650-00-901-4914
NSN 6685-01-085-5176
NSN 5895-00-928-4439