A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 5835-01-218-5560
NSN 5998-01-575-9985
NSN 6240-01-580-1345
NSN 5855-01-273-1971
NSN 5985-00-902-0491
NSN 5999-00-833-8143
NSN 6650-01-338-6042
NSN 6650-00-382-6080
NSN 6105-00-001-5533
NSN 6240-01-408-1212
NSN 5990-00-108-5400
NSN 6145-01-060-4689