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.
NSN 5985-01-258-8858
NSN 6150-01-568-6319
NSN 7035-00-631-3782
NSN 5945-01-424-1425
NSN 5915-01-400-6125
NSN 6150-01-231-4566
NSN 5998-01-335-4294
NSN 5965-01-038-5994
NSN 6110-00-058-6732
NSN 4140-00-239-9174
NSN 5965-01-100-2591
NSN 6620-01-423-0833