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 6130-01-367-5532
NSN 6110-00-699-1495
NSN 2925-01-374-2402
NSN 6610-00-803-4374
NSN 5920-01-254-7876
NSN 5855-01-526-0131
NSN 5895-00-156-4939
NSN 5895-00-459-9496
NSN 5855-01-421-1440
NSN 5965-01-426-8325
NSN 5999-00-857-6615
NSN 5925-01-200-9321