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 6145-01-289-4656
NSN 5985-00-690-9663
NSN 5910-01-335-7077
NSN 6645-00-258-8547
NSN 5925-00-269-2685
NSN 7035-00-295-0451
NSN 6645-01-291-4175
NSN 6620-00-643-1402
NSN 6150-01-260-4133
NSN 6685-01-360-8912
NSN 5985-01-542-8791
NSN 5985-00-197-0066