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 6220-01-238-1609
NSN 6620-01-429-9115
NSN 6320-01-176-8367
NSN 5975-01-286-3294
NSN 5999-00-376-5072
NSN 7035-00-300-3208
NSN 5996-00-470-4836
NSN 6135-01-223-3869
NSN 5998-01-519-8943
NSN 5835-01-384-3206
NSN 6620-01-514-7786
NSN 5945-00-081-2026