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 6685-01-230-2292
NSN 6650-01-399-8552
NSN 5960-01-409-1917
NSN 6150-00-738-6176
NSN 6105-01-028-4626
NSN 6240-01-647-3790
NSN 6135-01-559-9637
NSN 5975-01-197-7673
NSN 5950-01-005-0111
NSN 6220-00-877-2151
NSN 5835-01-259-0859
NSN 6145-01-470-8192