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 5975-01-397-6779
NSN 5920-00-529-0618
NSN 5985-00-905-9120
NSN 6105-01-656-3715
NSN 5905-01-462-4545
NSN 6135-01-514-5358
NSN 5999-01-585-1039
NSN 2925-01-473-9544
NSN 5998-00-189-9437
NSN 6220-01-053-7829
NSN 6650-01-294-5243
NSN 5915-01-352-8513