A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6645-01-307-1462
NSN 6105-01-401-5361
NSN 6685-01-173-8846
NSN 5920-01-040-7210
NSN 5935-01-118-1565
NSN 6105-01-634-0322
NSN 6130-01-272-9007
NSN 5950-01-541-7272
NSN 6645-00-208-0796
NSN 5855-00-631-4565
NSN 6110-01-519-2282
NSN 5920-01-462-1593