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 5965-00-849-1313
NSN 5975-01-603-0661
NSN 5895-01-013-9320
NSN 6240-00-809-4977
NSN 5965-01-386-2988
NSN 5985-01-224-7522
NSN 2925-01-113-6904
NSN 6650-01-434-6069
NSN 6685-01-560-1881
NSN 5985-01-608-6899
NSN 5905-01-443-6650
NSN 5925-01-211-6660