A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6220-01-081-7631
NSN 5985-00-167-8972
NSN 6135-00-613-1068
NSN 5945-01-381-1089
NSN 6620-01-395-2968
NSN 6110-01-221-1417
NSN 5950-01-307-0801
NSN 6220-00-804-9270
NSN 5895-01-460-2370
NSN 5930-01-291-4464
NSN 6220-01-433-1475
NSN 6320-01-388-3125