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 5945-00-167-7544
NSN 6650-01-364-4616
NSN 5975-01-510-0479
NSN 5835-01-568-7796
NSN 6220-01-425-7028
NSN 5975-01-272-9205
NSN 5996-01-391-9585
NSN 7035-00-946-2642
NSN 5910-01-527-0467
NSN 5975-01-434-9054
NSN 6645-00-115-2424
NSN 5905-00-940-3495