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 5998-01-411-9442
NSN 5985-01-224-7522
NSN 5920-01-525-7688
NSN 6610-01-391-6781
NSN 5910-01-591-9107
NSN 6685-00-216-6676
NSN 6320-00-310-1080
NSN 6150-01-043-4246
NSN 5905-01-054-5411
NSN 5905-01-537-0402
NSN 5930-01-310-6671
NSN 5999-01-288-0297