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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5910-00-170-7914
NSN 5965-00-348-4165
NSN 5855-01-463-9401
NSN 5905-01-411-1499
NSN 4140-00-171-1387
NSN 6105-01-229-0576
NSN 6620-00-506-0112
NSN 5905-01-204-3296
NSN 6645-01-575-4181
NSN 6320-01-072-2073
NSN 5920-01-349-0012
NSN 6620-01-559-1921