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 6320-01-246-4390
NSN 5835-01-501-0526
NSN 6320-01-585-8468
NSN 5905-01-539-1575
NSN 5910-00-989-8593
NSN 6645-01-132-7806
NSN 5950-00-194-6823
NSN 5998-00-422-5538
NSN 5935-01-294-7708
NSN 6620-00-474-0605
NSN 5855-00-797-8217
NSN 2925-01-594-5385