Hydraulic Quick Couplings, 4000 Series, Female Pipe Thread Nipple (4000 SERIES 1/2" NIPPLE)

4000 SERIES 1/2" NIPPLE|Parker's 4000 series of hydraulic quick-couplings offer a proven design for use on construction equipment, forestry and agricultural machinery, oil tools, steel mill equipment and other demanding hydraulic applications. They feature Poppet valves to prevent uncoupled leakage (with ball valves available if needed) and a dependable ball-locking mechanism that holds the mating halves together. Critical parts are induction-hardened for durability, and both couplers and nipples are precision-machined from solid bar stock.