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 5935-00-111-3431
NSN 5990-00-954-5059
NSN 5985-01-111-7769
NSN 4140-00-074-4242
NSN 5960-01-215-0992
NSN 5960-01-585-6385
NSN 5998-01-553-8697
NSN 5905-00-185-6237
NSN 5996-01-559-8221
NSN 5960-01-218-2858
NSN 6135-00-334-4500
NSN 6150-00-644-8745