A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 2925-01-484-5066
NSN 7035-00-946-2642
NSN 5910-01-226-4264
NSN 5960-01-201-6316
NSN 4140-01-432-8726
NSN 5950-01-328-8215
NSN 6620-01-627-0478
NSN 6135-01-642-4964
NSN 6645-01-607-5999
NSN 6320-01-352-5653
NSN 5945-00-360-2000
NSN 5920-00-950-2875