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 5905-01-279-1017
NSN 5950-01-314-2270
NSN 6645-01-196-6277
NSN 5855-01-052-7149
NSN 5999-01-586-2413
NSN 5960-01-547-6699
NSN 6610-01-078-9238
NSN 5935-01-440-6123
NSN 6320-00-261-9136
NSN 6150-01-352-4504
NSN 5960-01-318-0987
NSN 5945-01-422-4195