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 6240-00-557-7471
NSN 5985-00-681-8298
NSN 5920-01-295-8343
NSN 5945-00-203-5575
NSN 5960-00-574-3818
NSN 5910-00-286-4416
NSN 5998-01-652-3320
NSN 6130-01-163-4220
NSN 5950-00-855-1686
NSN 5985-00-161-5124
NSN 5990-01-251-7313
NSN 5975-00-875-0935