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 6685-00-631-3549
NSN 7035-00-535-8109
NSN 6645-01-366-5033
NSN 4140-01-042-9066
NSN 6610-01-424-0776
NSN 5996-01-615-8389
NSN 6105-01-107-7516
NSN 5925-01-426-6923
NSN 5945-00-467-1699
NSN 4140-01-571-7811
NSN 5930-00-292-1089
NSN 6150-00-051-0399