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 5905-01-107-3165
NSN 6645-00-940-0774
NSN 6150-01-024-6926
NSN 5996-01-575-5349
NSN 5945-01-573-6488
NSN 5915-01-240-6450
NSN 5910-00-497-8408
NSN 5990-01-145-8961
NSN 5855-01-316-3634
NSN 6320-01-198-4024
NSN 5965-01-450-3971
NSN 6135-01-598-9889