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 5965-00-510-4301
NSN 5998-01-429-8970
NSN 5985-00-001-3599
NSN 5910-00-934-0726
NSN 5945-01-201-3471
NSN 5925-01-104-7351
NSN 4140-01-325-6972
NSN 6150-01-366-8204
NSN 6240-00-813-6328
NSN 5930-01-302-6606
NSN 5965-00-246-5612
NSN 6610-00-281-9516