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 5905-01-451-4205
NSN 5910-00-264-3584
NSN 6110-00-410-8517
NSN 6645-01-161-8047
NSN 5985-01-490-7751
NSN 4140-00-344-4271
NSN 6685-01-366-2130
NSN 6220-01-285-2269
NSN 5915-01-314-9040
NSN 6645-01-451-1295
NSN 5975-01-537-4310
NSN 6685-01-437-2524