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 7035-00-626-1958
NSN 6220-01-439-0999
NSN 5925-01-341-8166
NSN 5915-00-597-0038
NSN 6645-01-534-5545
NSN 5985-01-634-0635
NSN 7035-01-289-0684
NSN 6130-01-519-1904
NSN 5975-01-111-0130
NSN 6645-01-343-5586
NSN 5990-01-439-4643
NSN 5985-01-276-0053