Spring Kit, Compatible Grainger Part Number 242L79, 36T148, 41P639, Compatible Manufacturer Model Number V-3000-1, V-3000-2, V-3212, V-3970, V-4322, V-4332, V-4333, V-4334, Compatible Product Type Valves, Compatible Valve Size 1/2 in, Includes Lock Screw, Lower Spring Seat, Spring, Stem Extension, Upper Spring Seat, Maximum Operating Pressure 8 psi, Minimum Operating Pressure 4 psi, Product Type Spring Kit, Stroke 5/16 in. This item has been restricted from sale in the following state (s): []