6 grooves 0.219 in. W by 0.312 in. Deep
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 5945-01-381-1356
NSN 5960-01-588-5681
NSN 6685-01-394-4141
NSN 5895-00-775-3765
NSN 5975-01-265-8678
NSN 5999-01-615-6307
NSN 4140-01-080-1881
NSN 5996-01-260-7371
NSN 6645-01-112-6373
NSN 6105-01-186-9869
NSN 6610-00-127-7013
NSN 5960-01-205-0386