A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
NSN 5975-01-655-1378
NSN 5985-01-292-3487
NSN 5999-01-573-5310
NSN 5945-00-455-1492
NSN 5895-01-334-3025
NSN 5905-00-910-0772
NSN 7035-01-594-1967
NSN 5950-01-644-2683
NSN 5925-01-172-9820
NSN 7035-01-018-9629
NSN 4140-01-020-4224
NSN 5910-01-452-5958