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 6105-00-988-2471
NSN 5999-00-580-1876
NSN 6620-00-118-8913
NSN 6610-01-416-8384
NSN 6685-01-483-1373
NSN 5920-01-647-4118
NSN 6685-01-359-3845
NSN 5905-01-090-5354
NSN 6685-01-024-2674
NSN 5905-01-289-9442
NSN 5915-01-407-4045
NSN 5925-01-247-5315