A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6240-00-077-2529
NSN 6145-00-854-8211
NSN 6130-00-803-4580
NSN 5999-01-192-5495
NSN 6620-01-234-1799
NSN 5930-00-130-9109
NSN 5999-00-067-5851
NSN 5920-01-139-5368
NSN 5996-01-488-4976
NSN 6220-01-222-0724
NSN 5950-01-574-9640
NSN 5910-01-445-6501