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 5905-01-617-0615
NSN 5985-01-441-8471
NSN 5945-00-665-5055
NSN 5905-01-058-6425
NSN 5965-00-267-4173
NSN 5930-01-193-8862
NSN 6105-01-633-2690
NSN 5999-00-995-1438
NSN 6105-01-606-8341
NSN 5985-01-351-6989
NSN 6320-00-521-9350
NSN 5915-00-648-6746