Upper hexagon castellated 6 places center to center along flats, 0.125 in. Min 0.155 in. Max through w, 0.187 in. Depth
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 5895-01-591-9445
NSN 5895-01-519-2915
NSN 5998-00-939-2561
NSN 6240-00-361-1421
NSN 6130-01-587-3215
NSN 5965-01-105-7901
NSN 6110-01-448-7141
NSN 5930-00-204-8100
NSN 5930-01-182-6725
NSN 5999-01-657-1838
NSN 5998-01-255-5642
NSN 5990-01-360-2900