A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5990-01-421-5342
NSN 5920-00-765-2867
NSN 5999-01-237-2240
NSN 6145-01-483-1292
NSN 6105-01-626-5359
NSN 5945-01-403-2800
NSN 5930-00-826-3839
NSN 6130-01-209-6436
NSN 6620-01-291-7959
NSN 5945-00-683-8334
NSN 5915-01-316-6125
NSN 4140-00-079-8453