Dyed brown
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 6220-01-157-9062
NSN 5925-00-706-9975
NSN 6130-01-432-7423
NSN 6110-01-234-9218
NSN 6320-01-252-2307
NSN 5910-00-045-8066
NSN 6320-01-399-6177
NSN 5999-01-607-6418
NSN 7035-00-275-5604
NSN 5950-01-337-6785
NSN 5915-01-213-3247
NSN 6620-01-443-3526