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 5910-00-460-0855
NSN 5915-00-365-9951
NSN 6650-00-484-3616
NSN 5975-01-194-3419
NSN 6610-01-555-6654
NSN 5930-00-983-2613
NSN 5996-01-056-1736
NSN 6145-00-067-6418
NSN 6135-00-043-4312
NSN 6610-01-440-0604
NSN 5950-00-397-9869
NSN 5975-01-618-5388