Dyed brown
A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5998-01-487-6482
NSN 5835-00-922-1263
NSN 6320-01-495-1244
NSN 5990-01-181-9886
NSN 6150-01-394-8094
NSN 5920-01-499-0026
NSN 5895-01-423-5858
NSN 6220-00-157-5009
NSN 5985-01-149-2605
NSN 5996-01-232-0067
NSN 5905-00-701-5298
NSN 6240-01-178-5604