A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5985-01-274-0447
NSN 5999-01-550-8060
NSN 4140-00-295-0787
NSN 5975-01-093-1281
NSN 6130-01-302-3890
NSN 6135-01-285-1925
NSN 6130-01-252-8823
NSN 5990-01-147-8097
NSN 6110-00-228-2584
NSN 5920-00-506-1790
NSN 5925-01-421-5973
NSN 6320-01-369-5014