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 6130-00-040-3626
NSN 5920-00-973-1276
NSN 5920-01-242-1691
NSN 6130-01-254-8784
NSN 6110-00-012-5514
NSN 5985-01-349-3197
NSN 6110-00-153-0936
NSN 6645-00-836-2984
NSN 6645-01-625-1192
NSN 2925-01-354-1752
NSN 4140-01-174-0284
NSN 6105-01-429-4657