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 5925-01-237-2501
NSN 5998-01-625-1051
NSN 5996-01-498-0653
NSN 6150-01-449-1040
NSN 5996-00-489-7513
NSN 5990-01-425-2175
NSN 6135-00-062-5080
NSN 5965-01-121-6135
NSN 5960-01-170-4057
NSN 5895-00-885-6871
NSN 5990-01-514-8708
NSN 5960-01-474-4843