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 5975-01-135-5954
NSN 6150-01-294-9222
NSN 5925-01-127-7608
NSN 4140-01-155-3101
NSN 6320-01-215-1133
NSN 5855-00-631-4565
NSN 5895-01-083-2858
NSN 4140-00-591-6315
NSN 5915-01-196-4787
NSN 6135-01-459-0089
NSN 5960-01-399-4327
NSN 6135-01-204-8712