Washer bearing surface serrated
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5990-00-932-3070
NSN 5910-01-496-3230
NSN 6650-01-332-7080
NSN 5910-01-516-7460
NSN 4140-01-382-9925
NSN 5996-00-336-3046
NSN 5985-00-187-1982
NSN 4140-00-517-7902
NSN 6135-01-476-4697
NSN 6135-01-142-6456
NSN 5835-00-155-1379
NSN 5985-00-113-9638