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 6620-01-397-4131
NSN 5975-00-310-1099
NSN 5905-01-601-8114
NSN 6145-01-231-0331
NSN 5910-00-207-8860
NSN 6150-00-596-8766
NSN 5960-01-315-3021
NSN 5990-01-014-1280
NSN 5985-01-266-1721
NSN 6145-00-099-8986
NSN 5950-01-462-4657
NSN 5895-00-530-5310