Steel, cadmium plated, qq-p-416, type 2, cl 2, 0.375 in. Lg o/a, 0.1912 in. Body od, 0.133 in.Max body id, 0.220 in. W across flange flats, 0.155 in. Flange lg, 0.09 in. W straight knurl located on body od 0.031 in. Max from flange, 0.020 in. W slot, 0.19 in. Deep, flange end