Item made of corrosion resistant steel ams 5643 cond a 0.156 in. Thick, 4.063 in. Long, 0.380 in. Wide, 2-56 unc-2b 0.90 in. Deep min tap drill 0.29 in. Deep max two holes, passivate per finish 5.4.1 of mil-std-171 plus black oxide per class 4 of mil-c-13924, heat treat per mil-h-6875 to condition h-1025 rockwell c 35-42
