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 6685-01-631-5404
NSN 5895-01-295-0070
NSN 5960-00-269-4762
NSN 5998-01-292-9035
NSN 5965-00-417-8182
NSN 5945-00-478-0967
NSN 6645-01-109-5200
NSN 4140-01-165-0566
NSN 6645-01-252-8870
NSN 6150-01-340-8070
NSN 5925-01-023-1411
NSN 6645-01-567-2968