A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6110-01-578-5595
NSN 5999-01-116-3742
NSN 5920-00-572-7441
NSN 6685-00-949-3633
NSN 5935-01-462-5273
NSN 5998-01-464-4883
NSN 5985-01-336-0149
NSN 6145-01-519-2087
NSN 6645-00-900-5830
NSN 6130-00-097-1240
NSN 6620-01-003-2905
NSN 6150-01-233-7259