A nut, flat on top and bottom, having 12 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 6645-01-437-9017
NSN 5950-00-161-0635
NSN 5985-01-154-2027
NSN 6150-01-211-8062
NSN 5975-00-139-2194
NSN 6650-01-449-2334
NSN 6610-00-371-5953
NSN 5935-00-238-2044
NSN 4140-00-115-6496
NSN 5965-01-633-8849
NSN 5920-01-330-8789
NSN 5835-01-632-6627