A nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. 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).
NSN 5999-01-591-2747
NSN 5950-01-330-6995
NSN 5998-01-224-6642
NSN 5990-01-514-8708
NSN 6145-00-226-9499
NSN 6240-00-993-9239
NSN 5990-00-995-6071
NSN 6145-01-426-6657
NSN 6650-00-549-5672
NSN 6650-00-148-5878
NSN 6145-01-517-9575
NSN 5990-01-046-3450