A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6685-01-141-1578
NSN 5990-00-434-0620
NSN 7035-01-305-1950
NSN 4140-00-572-5777
NSN 6650-01-093-5864
NSN 6685-00-911-3021
NSN 5925-00-944-8650
NSN 5930-01-432-1143
NSN 5998-00-831-7925
NSN 6645-01-128-7866
NSN 6130-00-647-8471
NSN 4140-01-528-8364