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 6150-01-571-7517
NSN 6685-00-331-8141
NSN 5835-01-281-7281
NSN 6650-01-188-8028
NSN 5920-01-441-4341
NSN 6105-01-512-2756
NSN 5910-01-345-5490
NSN 5895-01-534-9914
NSN 5905-01-029-3864
NSN 6650-00-885-3775
NSN 6320-01-544-6447
NSN 5960-01-444-2205