A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Dept. of the Navy Classification: Nuts of iron or steel
NSN 7035-01-383-6549
NSN 5855-01-426-5589
NSN 5915-01-164-0315
NSN 5920-00-761-3265
NSN 5950-01-512-1068
NSN 6130-01-502-2579
NSN 5950-01-338-8592
NSN 5930-00-567-5343
NSN 6135-00-927-5848
NSN 6110-00-193-0030
NSN 5895-01-261-6457
NSN 5945-01-484-7194