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 5990-01-587-8562
NSN 6240-01-264-9586
NSN 2925-00-635-5922
NSN 5925-01-069-6042
NSN 6135-00-451-0709
NSN 2925-01-522-5631
NSN 6650-00-147-8765
NSN 6150-00-419-6846
NSN 6110-01-356-1301
NSN 5950-01-140-1506
NSN 5999-01-014-2869
NSN 6620-01-106-6510