1 1/4-20 unc 2b fit hole 1 in. From both sides of center hole
A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 6105-01-233-5844
NSN 5925-00-144-0482
NSN 6150-00-905-6070
NSN 5930-01-655-4859
NSN 6240-00-928-2236
NSN 6620-01-389-3324
NSN 5925-00-280-1238
NSN 5985-01-553-6124
NSN 5985-01-031-0644
NSN 5930-01-219-9454
NSN 5985-01-035-6912
NSN 2925-00-866-7311