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 5925-01-579-6730
NSN 5920-01-217-6241
NSN 4140-00-200-9082
NSN 6320-01-512-2031
NSN 5925-01-440-1312
NSN 5915-00-859-2521
NSN 5905-01-161-2019
NSN 6130-00-966-7836
NSN 6110-00-812-0226
NSN 6105-01-053-1149
NSN 6650-01-656-1969
NSN 6610-00-221-6124