{"product_id":"parker-4-p5on-s-hex-plug-7-16-20-male-thread-7500-psi","title":"Parker 4 P5ON-S Hex Plug 7\/16-20 Male Thread 7500 Psi","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PARKER 4 P5ON-S is a hydraulic hex plug designed to seal and cap ported openings in hydraulic manifolds, valves, and fluid power systems. It uses a 7\/16-20 UNF-2A male straight thread with an O-ring sealing interface, which provides leak-free closure without relying on thread engagement alone for sealing. Rated to 7,500 psi maximum working pressure, this plug is built for high-pressure hydraulic circuits. It is installed by licensed hydraulic system technicians and industrial maintenance professionals working on fluid power equipment.\u003c\/p\u003e\n\u003cp\u003eThis plug is suited for use in industrial hydraulic systems, mobile equipment, and fluid power assemblies where unused ports require high-integrity sealing. The male straight thread O-ring (MSTO) connection type is common in manifold blocks, cylinder ports, and valve bodies machined to SAE straight thread port specifications. The compact hex drive profile allows installation in tight-clearance port locations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e7\/16-20 UNF-2A male straight thread for positive port engagement\u003c\/li\u003e\n  \u003cli\u003eO-ring face sealing eliminates reliance on thread deformation for leak prevention\u003c\/li\u003e\n  \u003cli\u003e7,500 psi maximum working pressure rating\u003c\/li\u003e\n  \u003cli\u003e9\/16 inch hex size for standard wrench or socket installation\u003c\/li\u003e\n  \u003cli\u003e5\/8 inch overall length for compact port fitment\u003c\/li\u003e\n  \u003cli\u003eMeets SAE 090109A standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or service plug for hydraulic manifolds, valve bodies, and fluid power components machined to SAE straight thread O-ring port specifications accepting a 7\/16-20 male thread fitting.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified hydraulic technician. Depressurize and isolate the hydraulic circuit fully before removing or installing any port plug. Inspect the O-ring for damage before installation and lubricate it lightly with clean system fluid. Do not overtighten; consult SAE torque guidelines for straight thread O-ring fittings of this thread size.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Hex Plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale Thread Size\u003c\/strong\u003e: 7\/16-20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UN \/ UNF-2A\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\u003eMaximum Working Pressure\u003c\/strong\u003e: 7,500 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHex Size\u003c\/strong\u003e: 9\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 5\/8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: SAE 090109A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 40175305\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: PARKER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 4 P5ON-S\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51539009077554,"sku":"4 P5ON-S","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/84507efa7e2aef3ec3e57e8d76e22753.jpg?v=1785832694","url":"https:\/\/voomisupply.com\/products\/parker-4-p5on-s-hex-plug-7-16-20-male-thread-7500-psi","provider":"Voomi Supply","version":"1.0","type":"link"}