A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5930-01-085-5563
NSN 6130-01-055-5272
NSN 5965-01-010-0950
NSN 6620-01-633-8443
NSN 4140-01-537-2666
NSN 6650-01-612-1832
NSN 6105-01-527-4147
NSN 5990-00-689-5736
NSN 6105-01-446-6527
NSN 6645-00-787-8813
NSN 6145-00-891-6779
NSN 5990-01-448-2751