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 6130-01-250-2822
NSN 5905-01-197-7899
NSN 6130-01-230-5037
NSN 5985-01-607-1294
NSN 5975-01-634-0678
NSN 5990-00-131-3269
NSN 6150-01-163-5448
NSN 5998-01-350-3411
NSN 5996-01-427-8435
NSN 5998-00-571-7611
NSN 6685-00-221-5750
NSN 2925-00-233-5644