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 6610-01-041-1880
NSN 6645-00-526-9476
NSN 6620-01-023-2938
NSN 5905-00-170-8113
NSN 6135-01-538-3507
NSN 5950-01-463-3096
NSN 6150-01-448-0769
NSN 5910-01-043-8066
NSN 5945-01-599-2726
NSN 5998-00-161-0636
NSN 6645-01-471-4960
NSN 5998-01-648-4442