A nut, flat on top and bottom, having 12 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 5999-00-419-3141
NSN 5920-01-492-5788
NSN 6610-01-474-5206
NSN 5930-01-590-4582
NSN 5835-01-359-2575
NSN 5996-00-692-6679
NSN 5930-01-148-3498
NSN 5996-01-123-9038
NSN 5855-01-555-3354
NSN 5855-01-221-4076
NSN 6220-00-406-8098
NSN 5998-00-969-2235