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 6220-00-932-2500
NSN 5975-00-873-4826
NSN 5930-01-235-6679
NSN 5950-01-359-1592
NSN 6145-01-162-4085
NSN 4140-01-124-2954
NSN 5915-01-521-2953
NSN 5910-01-026-7585
NSN 6220-01-306-4307
NSN 5930-01-470-8062
NSN 6220-01-544-8359
NSN 6620-01-416-1757