A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 5975-00-300-0731
NSN 5905-01-574-5577
NSN 5960-00-868-6140
NSN 5965-00-300-8055
NSN 6105-01-582-4308
NSN 5895-01-147-2931
NSN 6645-01-062-0905
NSN 4140-00-113-8215
NSN 7035-01-307-5366
NSN 5950-00-907-4833
NSN 5915-00-222-8186
NSN 5920-00-717-6839