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 5990-01-140-5497
NSN 6620-01-394-4042
NSN 5998-01-618-8371
NSN 5930-00-214-4023
NSN 6645-00-155-2398
NSN 5998-00-143-4723
NSN 5920-00-204-8125
NSN 6110-00-695-2541
NSN 5950-01-065-2288
NSN 5895-01-590-4940
NSN 5930-00-339-8637
NSN 5950-01-042-9106