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 4140-00-486-6292
NSN 5998-01-221-9854
NSN 5915-01-167-9072
NSN 6320-01-578-6006
NSN 5998-00-803-2758
NSN 6130-01-442-7945
NSN 5999-00-735-6321
NSN 5910-00-490-0093
NSN 5930-00-415-7969
NSN 5855-00-631-4565
NSN 5920-01-440-3215
NSN 5998-01-319-1956