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 5920-00-144-8031
NSN 6620-00-562-6337
NSN 5905-00-964-5517
NSN 5910-01-176-6972
NSN 5996-01-592-9955
NSN 6220-01-249-3884
NSN 5835-00-469-3395
NSN 6320-01-046-5228
NSN 6650-00-731-8388
NSN 5915-00-336-6481
NSN 5985-01-437-6150
NSN 6320-00-500-4172