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 6610-00-835-7683
NSN 5945-00-765-5347
NSN 5915-01-151-4237
NSN 6610-01-064-5792
NSN 5996-01-292-7056
NSN 6650-01-316-4374
NSN 6130-00-351-4653
NSN 2925-00-017-9807
NSN 5920-01-478-4812
NSN 6240-01-004-3464
NSN 5990-01-351-3746
NSN 5905-00-597-6081