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 5990-01-199-4832
NSN 6145-01-415-1263
NSN 5960-01-365-8752
NSN 5999-00-116-2776
NSN 5945-01-216-2832
NSN 6620-00-581-5181
NSN 7035-01-374-7954
NSN 5999-01-033-2596
NSN 5915-01-431-9235
NSN 5915-01-311-8422
NSN 4140-01-649-9621
NSN 6110-00-369-8499