Dyed brown
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 5990-00-860-5329
NSN 5855-01-003-7102
NSN 6685-01-401-5360
NSN 5920-01-107-0838
NSN 5910-00-245-6826
NSN 4140-00-958-1252
NSN 5835-00-740-0246
NSN 6130-00-841-6813
NSN 5965-01-399-8454
NSN 5935-00-739-8437
NSN 4140-01-062-7244
NSN 5835-00-160-7142