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 5998-00-224-2543
NSN 6610-01-016-3566
NSN 6645-01-083-4759
NSN 5935-01-500-1374
NSN 6650-00-607-1351
NSN 5925-01-168-3943
NSN 5975-01-299-5835
NSN 6130-01-047-5153
NSN 5985-00-378-8558
NSN 6220-01-437-9085
NSN 5950-01-618-4735
NSN 5910-01-442-7635