A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
NSN 6620-00-443-7587
NSN 5998-01-482-4685
NSN 6645-01-381-6084
NSN 5835-01-241-1090
NSN 5835-01-527-2629
NSN 6620-00-247-7427
NSN 5945-01-026-6859
NSN 6685-01-082-3764
NSN 6320-01-290-5271
NSN 5925-00-260-4298
NSN 6645-01-519-2732
NSN 5895-01-281-3639