Matl aluminum alloy 2024-t3 per qq-a-250/4; finish chem film class 1a per mil-c-5541, dyed yellow; 0.910 in. O/a lg, 0.430 in. O/a w, 0.188 in. O/a h; one 2-56unc-2b 0.250 in. Deep holes centrally located on each end; one 0.277 in. Diameter hole centrally located, 0.188 in. O/a lg thru