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 6150-01-476-3538
NSN 5990-01-172-4553
NSN 5998-00-420-3734
NSN 6610-01-182-1182
NSN 6105-01-576-3221
NSN 6130-01-151-8578
NSN 6685-01-243-0302
NSN 4140-01-628-7265
NSN 5975-00-366-7440
NSN 2925-01-511-2667
NSN 5895-01-578-5492
NSN 6685-00-008-7448