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 5920-01-081-5800
NSN 5905-00-693-5312
NSN 6130-00-039-8534
NSN 5999-01-136-8298
NSN 6150-00-704-4018
NSN 5895-01-455-5541
NSN 6610-01-029-8749
NSN 4140-01-514-8490
NSN 6685-01-259-5724
NSN 6130-01-103-1595
NSN 5935-01-145-9893
NSN 6320-01-462-2295