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 5965-01-136-3180
NSN 6320-01-397-0399
NSN 5945-00-708-2363
NSN 6610-00-536-4977
NSN 5895-01-285-4664
NSN 6645-00-070-8277
NSN 6320-01-359-3921
NSN 5950-01-449-1358
NSN 5975-00-659-6531
NSN 6620-01-528-6076
NSN 6620-01-352-5640
NSN 5935-01-073-3701