A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 4140-01-019-0555
NSN 5915-01-005-3047
NSN 6320-01-397-9995
NSN 6105-00-179-1198
NSN 5915-01-282-5969
NSN 6620-01-084-5112
NSN 6685-00-936-6428
NSN 5975-01-083-2122
NSN 5975-01-647-1636
NSN 5855-01-422-5413
NSN 5935-00-885-1010
NSN 5950-01-271-6016