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 5895-00-221-6557
NSN 6610-01-579-2984
NSN 5930-00-314-0367
NSN 6150-01-027-3771
NSN 5895-00-938-8473
NSN 5930-01-246-1451
NSN 6220-01-318-4753
NSN 6650-00-759-8905
NSN 6645-01-352-6583
NSN 5925-00-329-9190
NSN 5920-01-211-5557
NSN 5930-00-272-1427