Ham-let z-400opa-spk-1/2-50psi st.st. valves MSRP: Now: $11.41 Was: Model Number: 739 LF; Package Qty: 5; A: 3/8"; T (NPT): 1/2"; Material: Stainless Steel 316; Comparable To; Swagelok P/N: SS-6-T Z-400OPA-SPK-1/2-50PSI