{"product_id":"eaton-ff2138-06s-hex-socket-plug-3-8-in-male-thread","title":"Eaton FF2138-06S Hex Socket Plug 3\/8 in Male Thread","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe EATON FF2138-06S is a straight hex socket plug designed for industrial hydraulic and fluid system applications. This male straight thread O-ring fitting provides a reliable, leak-resistant seal in high-pressure lines, making it a standard choice for capping or terminating ports in hydraulic manifolds, cylinders, and plumbing circuits. Rated to a maximum working pressure of 4,000 psi with a burst pressure rating of 6,000 psi, the FF2138-06S is built for demanding service conditions. Its 3\/8 inch male straight thread O-ring connection conforms to SAE standard 090109B, ensuring consistent fitment and sealing performance in properly prepared port faces.\u003c\/p\u003e\n\u003cp\u003eThis plug is suited for industrial hydraulic systems, mobile equipment, and fluid power installations where a dependable port closure is required. The straight fitting shape allows direct installation into straight-thread O-ring boss ports. It is commonly installed during system assembly, maintenance, or testing to isolate or cap hydraulic circuits. The working temperature range of -40 degrees F to 250 degrees F makes it appropriate for a wide range of operating environments, from cold-start mobile equipment to heated industrial hydraulic systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMale straight thread O-ring connection provides a positive, leak-resistant seal at the port face\u003c\/li\u003e\n  \u003cli\u003eMaximum working pressure of 4,000 psi with a 6,000 psi pressure rating\u003c\/li\u003e\n  \u003cli\u003e3\/8 inch male thread size fits standard straight-thread O-ring boss ports\u003c\/li\u003e\n  \u003cli\u003eConforms to SAE standard 090109B for consistent industry fitment\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range of -40 degrees F to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eStraight hex socket drive for installation with standard hex tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or service fitting for industrial hydraulic and fluid power systems using 3\/8 inch male straight thread O-ring boss ports conforming to SAE 090109B standards.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified hydraulic technician or pipefitter. Depressurize and isolate the hydraulic circuit completely before removing or installing any fittings. Verify the O-ring is properly seated and in good condition before torquing the plug into the port. Follow applicable SAE and system manufacturer torque guidelines for straight thread O-ring fittings to avoid port thread damage.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Hex Socket Plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Shape\u003c\/strong\u003e: Straight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Male Straight Thread O-Ring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale Thread Size\u003c\/strong\u003e: 3\/8 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 4,000 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Rating\u003c\/strong\u003e: 6,000 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e: 250 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Working Temperature\u003c\/strong\u003e: -40 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE 090109B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: EATON\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: FF2138-06S\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EATON","offers":[{"title":"Default Title","offer_id":51544067899698,"sku":"FF2138-06S","price":15.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8234de1430eb7516662bba241d8636e9.jpg?v=1785923593","url":"https:\/\/voomisupply.com\/products\/eaton-ff2138-06s-hex-socket-plug-3-8-in-male-thread","provider":"Voomi Supply","version":"1.0","type":"link"}