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 6650-01-033-2979
NSN 6240-01-099-2472
NSN 6240-01-069-2688
NSN 5925-00-943-4489
NSN 6610-00-764-4015
NSN 5998-00-633-5169
NSN 5985-01-376-0618
NSN 5975-00-937-4586
NSN 5915-01-533-3229
NSN 5915-01-487-7703
NSN 7035-00-782-7046
NSN 5996-00-569-7391