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 6610-01-542-9725
NSN 6220-01-164-2271
NSN 5920-01-076-9774
NSN 6240-01-313-4765
NSN 7035-01-381-5411
NSN 6620-01-039-5468
NSN 6610-01-510-2302
NSN 6320-01-345-5818
NSN 5945-00-164-9801
NSN 5905-01-407-8069
NSN 5835-01-535-0948
NSN 5975-01-261-1652