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 5975-01-349-9158
NSN 6145-00-901-1598
NSN 5905-01-521-8886
NSN 5945-01-485-7239
NSN 6685-00-843-8828
NSN 6610-00-913-1704
NSN 5915-01-433-9056
NSN 6130-00-964-9083
NSN 5920-01-418-9012
NSN 5990-00-530-3855
NSN 5950-00-139-1796
NSN 6685-01-505-8510