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 6240-01-652-2338
NSN 6105-01-576-9045
NSN 5975-01-003-9803
NSN 5935-00-482-0573
NSN 5920-00-539-4168
NSN 5996-01-150-7480
NSN 5910-01-293-5326
NSN 5950-01-070-6617
NSN 5910-00-697-9998
NSN 5920-00-113-6041
NSN 5910-01-297-3447
NSN 5895-01-263-3702