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 5855-01-379-9978
NSN 6135-00-422-3967
NSN 5905-00-274-3789
NSN 5975-01-153-0786
NSN 6220-00-465-2925
NSN 5975-01-330-4426
NSN 5915-00-834-8854
NSN 5965-01-453-7504
NSN 5915-01-219-4594
NSN 6620-01-100-3181
NSN 6650-01-252-8190
NSN 5990-00-998-6193