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 5920-00-402-1752
NSN 6645-00-089-8842
NSN 5945-01-554-6696
NSN 6645-01-337-1806
NSN 5920-01-370-0881
NSN 5835-00-757-3558
NSN 5990-01-185-9835
NSN 5910-01-249-8944
NSN 6645-00-315-9254
NSN 6685-00-316-1958
NSN 6220-00-716-1144
NSN 6150-00-233-6356