A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6130-01-600-0031
NSN 5930-00-210-1786
NSN 7035-01-419-4317
NSN 6620-01-557-6512
NSN 5920-01-227-4623
NSN 6135-01-588-4160
NSN 5930-01-070-6245
NSN 5905-01-292-9098
NSN 6105-01-301-2723
NSN 6620-00-186-8220
NSN 6610-01-592-0123
NSN 5996-01-369-9209