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 6685-01-383-1178
NSN 5965-01-171-9796
NSN 6105-01-412-5848
NSN 5999-01-611-9152
NSN 5855-00-014-5008
NSN 5950-01-592-2121
NSN 5835-01-566-5462
NSN 5950-01-168-8782
NSN 5945-01-469-5917
NSN 5930-00-894-1293
NSN 5935-01-453-3116
NSN 6620-01-140-4405