Cylindrical protrusion on one end
A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5945-00-275-0557
NSN 2925-01-106-8871
NSN 6145-01-407-9137
NSN 5935-01-265-1111
NSN 5960-01-446-4446
NSN 5895-01-304-9201
NSN 6320-01-532-7491
NSN 6130-00-248-7244
NSN 6610-01-556-2353
NSN 6320-01-554-0901
NSN 6685-01-202-2984
NSN 6220-00-200-7888