A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5915-01-384-2642
NSN 6610-01-131-5714
NSN 5930-01-217-0514
NSN 5999-00-317-6262
NSN 6130-00-551-8316
NSN 5910-01-373-8239
NSN 6320-01-064-0372
NSN 5975-00-054-1005
NSN 5950-00-071-0575
NSN 5835-00-174-7763
NSN 5999-00-778-6340
NSN 4140-00-061-7580