A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6610-01-237-5815
NSN 5910-01-384-9599
NSN 5895-01-289-9959
NSN 6130-00-104-8196
NSN 5999-01-275-9184
NSN 7035-00-264-7543
NSN 6650-00-754-2276
NSN 5835-01-293-6453
NSN 6645-01-534-5545
NSN 6145-01-631-5882
NSN 5935-01-481-4103
NSN 5999-00-929-7549