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 5915-01-027-1346
NSN 7035-01-394-3169
NSN 5990-00-277-3763
NSN 5965-01-534-9088
NSN 4140-00-826-4283
NSN 5915-00-401-7763
NSN 5950-01-626-1490
NSN 5999-00-621-0451
NSN 5920-00-803-3290
NSN 4140-01-426-8428
NSN 6130-01-104-7224
NSN 6650-00-068-2208