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 6320-00-553-8427
NSN 6320-01-575-6342
NSN 5925-00-480-6710
NSN 5855-01-376-0363
NSN 6220-01-174-6859
NSN 6240-01-126-9167
NSN 5996-01-501-0827
NSN 6110-00-773-0915
NSN 7035-00-408-8170
NSN 5895-00-862-5564
NSN 5935-01-276-6873
NSN 5930-01-364-9012