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 5945-00-915-4308
NSN 6105-00-960-6327
NSN 4140-00-432-0330
NSN 6220-01-044-6940
NSN 5905-00-803-8083
NSN 5915-00-700-5728
NSN 5925-01-084-2370
NSN 5905-00-462-6292
NSN 6320-01-506-9439
NSN 4140-00-930-4673
NSN 6685-01-467-2233
NSN 5855-01-010-4921