Dyed brown
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.
Classification: Nuts of iron or steel
NSN 6620-01-526-2857
NSN 5985-00-358-2547
NSN 5915-01-280-9192
NSN 6145-00-502-1828
NSN 5835-01-029-0205
NSN 5975-00-357-6136
NSN 5935-01-445-9589
NSN 5935-01-089-7125
NSN 4140-00-621-9226
NSN 5990-01-327-1558
NSN 5985-00-289-9862
NSN 6645-01-394-5149