3 holes 0.047 in. Diameter equally spaced 120 degrees apart for lockwire
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: Articles of aluminum nesoi
NSN 5925-01-605-3536
NSN 5985-01-204-2236
NSN 6240-01-276-9417
NSN 5935-00-521-0537
NSN 6130-01-077-4955
NSN 5935-00-879-8607
NSN 5895-00-890-3526
NSN 5985-01-343-4969
NSN 5915-01-050-8214
NSN 6320-00-405-2348
NSN 5996-00-149-1287
NSN 7035-01-441-9509