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 6320-00-456-0836
NSN 5835-01-454-5267
NSN 5910-01-006-9584
NSN 6685-01-429-2360
NSN 5950-00-554-4870
NSN 5998-00-153-4557
NSN 5895-01-523-2120
NSN 5895-01-068-9101
NSN 5999-01-474-9654
NSN 5930-00-834-7242
NSN 6110-00-939-7065
NSN 5920-01-510-0655