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 5855-01-250-2421
NSN 6610-01-236-2510
NSN 5950-01-525-7334
NSN 5835-00-257-2852
NSN 6620-01-061-3497
NSN 5990-01-227-6526
NSN 5910-00-956-2513
NSN 5835-00-233-6327
NSN 5915-01-299-0414
NSN 5930-01-079-9025
NSN 5985-00-771-8421
NSN 6145-00-296-0085