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 6650-00-654-6950
NSN 6685-01-129-2080
NSN 5905-01-054-6158
NSN 4140-01-316-9889
NSN 5835-01-449-7511
NSN 5945-01-414-6950
NSN 2925-00-373-8837
NSN 6105-00-079-0863
NSN 5990-01-472-2447
NSN 2925-01-014-8007
NSN 5965-01-153-1965
NSN 6110-01-173-8077