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.
NSN 5920-00-285-1919
NSN 5998-01-178-3947
NSN 2925-01-430-4206
NSN 5925-01-025-7007
NSN 5965-00-650-4562
NSN 6620-00-589-8593
NSN 6145-01-057-0540
NSN 5835-00-419-6576
NSN 5925-01-499-7490
NSN 5975-01-592-3231
NSN 6685-01-549-6157
NSN 5925-01-090-8336