Connect ZSi-Foster O Series 3/8" x 3/8" I.D. x 3/8" O.D. Steel Plugs for a secure fit. The 310 Series Sockets are available manual or automatic to connect designs and interchange with 3/8" body size ARO 310 series plugs. Type: One-Way Shut-Off Rated Pressure: 300 psig Temperature Range: -40° to +250° Locking Device: Stainless Steel Pins

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