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 6220-01-361-8946
NSN 6650-00-098-6128
NSN 5996-01-433-2253
NSN 5920-00-158-9960
NSN 5920-01-118-9492
NSN 5930-01-361-9027
NSN 6650-01-538-2259
NSN 5950-00-785-1741
NSN 6240-00-195-6308
NSN 5999-01-420-3051
NSN 6610-01-027-1641
NSN 6645-01-338-9152