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.
Classification: Nuts of iron or steel
NSN 5990-01-559-0578
NSN 6610-01-272-2987
NSN 6130-01-017-5774
NSN 6145-00-258-3608
NSN 6105-01-271-4922
NSN 5999-00-754-9850
NSN 6240-01-468-5576
NSN 6220-01-391-7705
NSN 5920-01-599-1559
NSN 5960-00-615-9972
NSN 6320-00-036-3688
NSN 5930-01-246-9699