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 5855-01-454-1538
NSN 5915-00-233-6346
NSN 5920-01-232-4839
NSN 6240-00-322-9928
NSN 6130-00-467-5014
NSN 5855-01-191-3404
NSN 5950-01-576-7586
NSN 6135-01-119-0720
NSN 5990-01-533-1347
NSN 5915-01-118-4390
NSN 5915-01-116-2932
NSN 6145-01-602-3087