A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5975-00-674-7974
NSN 6150-00-308-2686
NSN 5915-00-502-4600
NSN 5975-01-294-3474
NSN 5925-00-231-3660
NSN 5945-01-447-3456
NSN 5855-00-055-1694
NSN 6645-01-300-9485
NSN 5990-01-360-2900
NSN 5915-00-905-0684
NSN 5950-01-500-8009
NSN 5930-01-377-2647