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 5905-00-972-8138
NSN 6135-00-100-8890
NSN 6110-00-813-8632
NSN 6150-00-454-0655
NSN 5975-00-070-9553
NSN 6650-01-451-1372
NSN 6650-00-458-7586
NSN 5996-01-415-3291
NSN 6620-01-606-4138
NSN 6685-00-922-0884
NSN 6685-00-381-8551
NSN 6240-00-960-0224