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 4140-01-433-1192
NSN 6130-00-222-9206
NSN 5950-01-272-0782
NSN 5945-00-906-8125
NSN 5996-01-218-6118
NSN 6220-01-413-4164
NSN 6320-01-113-7647
NSN 6105-00-253-5520
NSN 6110-00-959-3386
NSN 5895-00-717-8878
NSN 4140-00-714-2288
NSN 5915-01-194-2304