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 6645-01-506-8713
NSN 6320-00-456-0836
NSN 5985-01-122-9120
NSN 5998-00-291-6818
NSN 6135-00-315-1187
NSN 6145-00-803-2100
NSN 6150-01-303-5852
NSN 5999-01-553-4107
NSN 5999-01-005-0169
NSN 6650-01-370-3919
NSN 5975-00-114-5354
NSN 6135-01-199-1185