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 6650-00-897-7083
NSN 6645-00-654-8804
NSN 5855-00-688-9954
NSN 5910-01-270-9529
NSN 4140-01-158-6976
NSN 5975-01-437-8869
NSN 7035-01-497-2169
NSN 6145-01-277-3270
NSN 6685-01-255-2253
NSN 5998-01-631-1418
NSN 5950-00-489-1181
NSN 5996-00-146-7998