steel,spec data,fed,no. Qq-s-633,fs 1018 to fs 1025 or fsb1112 or fsb 1113; zinc-plated finish; dim. Data,1-17/64 in. Lg over-all,7/16 in. Across hex flats,1/8 in. Lg hex,7/8 in. From valve end to nearest hex shoulder; barbed type hose connector,barbed type data,9/64 in. From hex shoulder...