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 5915-01-029-2501
NSN 6105-01-622-2621
NSN 6320-01-420-0340
NSN 6645-01-033-1171
NSN 6620-00-663-8962
NSN 5935-01-170-5815
NSN 6240-01-340-6497
NSN 6145-01-152-2417
NSN 5930-01-100-9053
NSN 5996-01-207-5058
NSN 6240-00-422-1278
NSN 5998-01-078-6414