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 5905-01-660-9976
NSN 6110-01-053-1755
NSN 4140-01-543-2637
NSN 5835-01-345-2556
NSN 6685-01-444-1306
NSN 5835-01-286-6499
NSN 6105-01-471-8085
NSN 5998-01-601-5133
NSN 5999-01-050-7854
NSN 6320-01-116-3980
NSN 5998-01-484-1486
NSN 7035-00-205-1932