A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5965-00-942-1602
NSN 5895-01-020-5377
NSN 5910-01-555-3498
NSN 7035-01-486-4118
NSN 4140-00-552-7370
NSN 5998-01-423-9323
NSN 5930-00-964-7363
NSN 5895-00-270-0949
NSN 6130-01-396-7559
NSN 6150-01-526-5570
NSN 6685-01-552-7983
NSN 6130-01-288-7473