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 5996-01-474-0545
NSN 6145-01-213-7399
NSN 6240-00-978-9752
NSN 6320-00-433-2773
NSN 5945-01-245-9787
NSN 5990-01-540-1619
NSN 6685-00-222-1306
NSN 2925-00-780-5502
NSN 5935-00-189-0200
NSN 5960-00-396-6109
NSN 6610-01-602-2132
NSN 5996-01-139-0303