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 6220-01-174-8114
NSN 6240-01-264-2574
NSN 5945-00-597-2049
NSN 5975-01-261-6328
NSN 5935-01-025-0169
NSN 6110-01-621-2972
NSN 5996-01-383-7018
NSN 5915-00-058-0867
NSN 5945-00-691-0027
NSN 5998-00-140-6655
NSN 7035-01-359-7460
NSN 6645-01-538-0425