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 6110-01-388-8076
NSN 5835-00-111-3419
NSN 5925-00-908-2843
NSN 6145-01-444-1668
NSN 5930-01-361-9027
NSN 6110-00-161-4115
NSN 2925-00-980-5749
NSN 5910-01-077-0188
NSN 5895-01-025-0971
NSN 5915-01-025-5310
NSN 6220-01-605-1346
NSN 5950-01-643-4569