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 5930-01-374-1256
NSN 4140-01-444-6766
NSN 6145-01-200-2176
NSN 5925-01-031-7381
NSN 6650-00-955-0568
NSN 6320-01-271-0247
NSN 6610-01-420-7817
NSN 6650-01-376-1692
NSN 6240-00-172-5866
NSN 5915-01-336-3012
NSN 6130-01-364-5388
NSN 4140-00-674-2856