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 4140-01-265-0731
NSN 5855-01-615-1334
NSN 7035-01-063-8753
NSN 6130-01-191-1203
NSN 6645-00-460-0528
NSN 2925-01-208-6638
NSN 5975-01-152-1266
NSN 5855-01-486-2346
NSN 5975-01-646-3830
NSN 5996-01-504-0263
NSN 5950-01-414-0435
NSN 5925-01-502-6475