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 5835-00-257-2852
NSN 5925-01-258-4640
NSN 5945-00-529-6058
NSN 5985-01-158-2266
NSN 5915-01-334-1216
NSN 5985-01-260-8583
NSN 6150-01-025-5292
NSN 6135-01-428-8821
NSN 6620-01-475-4717
NSN 6650-01-194-5498
NSN 5975-00-734-6243
NSN 6220-00-269-4556