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 6130-01-359-9779
NSN 6110-01-536-0142
NSN 6685-00-671-3483
NSN 2925-01-633-4048
NSN 4140-00-099-9205
NSN 5835-01-059-5535
NSN 5975-01-457-8254
NSN 4140-00-621-9226
NSN 5998-00-194-7208
NSN 6150-01-559-2167
NSN 5960-01-198-3933
NSN 6130-00-144-5606