Three holes 0.094 in. Diameter equally spaced through face of nut, one hole 0.250-28 unf 3b located through sie of nut
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 5945-01-634-0588
NSN 6135-01-020-3805
NSN 5990-01-147-5225
NSN 5960-00-229-5121
NSN 6685-01-252-8887
NSN 5920-01-445-8513
NSN 4140-00-869-9032
NSN 5945-01-162-5635
NSN 5835-00-949-3018
NSN 5998-00-709-0613
NSN 6620-00-716-0001
NSN 5905-01-203-1649