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 6220-01-142-3148
NSN 6105-01-517-7797
NSN 5950-01-211-6459
NSN 6650-00-168-1502
NSN 6620-01-032-3937
NSN 5965-01-241-0553
NSN 5895-01-600-7895
NSN 5855-00-973-5717
NSN 5996-00-771-0952
NSN 5965-00-904-3451
NSN 6685-01-493-6122
NSN 5975-01-340-1388