Two thd holes on drive side
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Nuts of iron or steel
NSN 6105-01-409-2023
NSN 5915-01-633-9845
NSN 5975-01-245-9429
NSN 5960-01-092-4762
NSN 6645-01-065-7036
NSN 6240-01-455-5638
NSN 5945-00-553-9963
NSN 5998-01-605-1342
NSN 5996-01-073-6860
NSN 5965-01-322-8136
NSN 5985-00-317-2752
NSN 6650-00-164-7480