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 5950-01-314-8179
NSN 6610-01-487-3794
NSN 5905-01-099-8542
NSN 5985-01-200-7497
NSN 6240-01-012-8421
NSN 5990-01-623-0082
NSN 5925-01-466-0676
NSN 6610-01-291-4173
NSN 5855-01-420-2746
NSN 6105-01-316-8248
NSN 5835-01-063-6284
NSN 5950-01-285-9062