{"product_id":"parker-pq-00073-hydraulic-hose-coupler-5500-psi-6-mm","title":"Parker PQ-00073 Hydraulic Hose Coupler 5500 Psi 6 Mm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PARKER PQ-00073 is a stainless steel hydraulic hose coupler designed for high-pressure fluid line connections in hydraulic systems. Rated to 5,500 psi maximum working pressure, this coupler accommodates a 6 mm (3\/8 inch) hose diameter and uses a 3\/8-18 NPTF threaded connection for a leak-resistant, pressure-tight seal. The overall length is 1.64 inches. It belongs to Parker's ST Series and supports a maximum flow rate of 12.00 GPM. This fitting is suited for installation by hydraulic system technicians, industrial maintenance professionals, and fluid power specialists working on mobile or stationary hydraulic equipment.\u003c\/p\u003e\u003cp\u003eThe PQ-00073 is used in hydraulic plumbing applications where a reliable threaded coupler is required between hose assemblies and system components. Its stainless steel construction makes it appropriate for environments where corrosion resistance is a priority, including wash-down areas, marine-adjacent installations, and chemical-exposure settings. The NPTF thread form provides a dry-seal connection that does not rely solely on sealant tape for pressure retention, making it a practical choice for maintenance technicians who need a dependable, repeatable connection under working pressure.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e5,500 psi maximum working pressure for demanding hydraulic circuits\u003c\/li\u003e\n\u003cli\u003e3\/8-18 NPTF dry-seal thread eliminates reliance on thread sealant alone\u003c\/li\u003e\n\u003cli\u003eStainless steel construction provides corrosion resistance in harsh or wet environments\u003c\/li\u003e\n\u003cli\u003eMaximum flow rate of 12.00 GPM supports standard hydraulic line sizing\u003c\/li\u003e\n\u003cli\u003eCompact overall length of 1.64 inches minimizes space requirements in tight plumbing runs\u003c\/li\u003e\n\u003cli\u003eST Series designation for consistent Parker fitting family interchangeability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or service fitting for hydraulic hose assemblies using 6 mm hose diameter with 3\/8-18 NPTF threaded ports, consistent with Parker ST Series coupler specifications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified hydraulic technician or fluid power specialist. Depressurize and lock out the hydraulic system completely before removing or installing any fittings. NPTF threads are designed as dry-seal connections; inspect threads for damage and clean mating surfaces before assembly. Do not overtighten — follow standard hydraulic fitting assembly practices per the fitting manufacturer's torque guidelines and applicable fluid power safety standards.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: ST\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHose Size\u003c\/strong\u003e: 6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHose Diameter\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Threaded (NPTF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 5,500 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Flow Rate\u003c\/strong\u003e: 12.00 GPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.64 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoupler Size\u003c\/strong\u003e: 0.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 40141734\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: PQ-00073\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51538919653682,"sku":"PQ-00073","price":236.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3f6be14c79c114bdc71cfb73949a7d01.jpg?v=1785829646","url":"https:\/\/voomisupply.com\/products\/parker-pq-00073-hydraulic-hose-coupler-5500-psi-6-mm","provider":"Voomi Supply","version":"1.0","type":"link"}