A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5910-01-371-9374
NSN 5999-01-058-9841
NSN 6650-01-659-8445
NSN 6620-01-207-0667
NSN 5935-01-613-1214
NSN 5920-01-015-8226
NSN 6220-01-426-2245
NSN 6645-00-454-0930
NSN 7035-01-442-5737
NSN 5855-00-185-1560
NSN 5855-01-413-8962
NSN 5925-01-501-5213