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 6620-01-420-3386
NSN 5905-01-464-4180
NSN 6135-00-196-5267
NSN 5920-01-433-2261
NSN 5920-01-598-3282
NSN 6130-00-419-3642
NSN 5915-00-676-2056
NSN 6620-01-314-8432
NSN 5920-00-914-8702
NSN 6610-00-111-3648
NSN 5895-00-636-1103
NSN 6150-01-398-2605