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 6240-01-258-5829
NSN 5998-01-631-7538
NSN 6320-01-476-7702
NSN 6645-01-331-0774
NSN 6685-01-564-8611
NSN 2925-00-110-6180
NSN 5960-01-599-9821
NSN 5975-01-573-4924
NSN 7035-00-541-8516
NSN 5985-01-615-9487
NSN 2925-01-213-2983
NSN 5999-01-441-2433