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 5990-01-004-6343
NSN 5930-01-553-6037
NSN 6685-01-508-9059
NSN 2925-00-896-7318
NSN 5950-00-983-2913
NSN 5855-01-523-3859
NSN 6220-01-388-9701
NSN 5965-01-472-3664
NSN 5945-01-270-2197
NSN 6320-01-642-2615
NSN 5999-00-573-5663
NSN 6620-00-398-0320