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 6240-00-824-4678
NSN 5910-01-567-5519
NSN 5905-01-626-6297
NSN 5985-01-142-7623
NSN 6110-00-838-0492
NSN 5895-00-209-2554
NSN 6620-01-389-7446
NSN 5905-01-577-8414
NSN 5945-01-649-3349
NSN 6220-01-251-0097
NSN 6130-01-396-6197
NSN 6130-01-316-2745