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 6650-01-327-9403
NSN 6130-01-374-9567
NSN 6105-00-902-2191
NSN 5960-01-448-3497
NSN 6645-01-108-0799
NSN 7035-01-145-5059
NSN 6320-01-562-1599
NSN 5965-01-574-4938
NSN 5930-01-282-2075
NSN 4140-01-022-4456
NSN 5996-00-240-3224
NSN 6610-01-212-6464