No other part numbers with same form, fit, and function found.
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 6645-01-400-2119
NSN 5985-01-595-7432
NSN 6645-00-434-8793
NSN 6320-01-384-7079
NSN 5930-00-103-9313
NSN 5835-01-122-0068
NSN 6135-01-469-7574
NSN 5935-00-298-2004
NSN 5960-01-252-8821
NSN 6150-01-346-5705
NSN 6620-01-535-6925
NSN 6130-01-440-8582