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 5835-00-155-1379
NSN 6620-01-406-6840
NSN 6645-01-600-0772
NSN 5895-01-296-8843
NSN 5960-01-658-9538
NSN 5999-01-186-5239
NSN 5930-00-573-6379
NSN 5945-01-443-9114
NSN 6135-01-420-4070
NSN 2925-00-519-0766
NSN 6320-00-070-4544
NSN 6645-01-384-7791