{"product_id":"parker-172ptc-8-4-push-to-connect-tube-male-npt-fitting","title":"Parker 172PTC-8-4 Push-to-connect Tube Male Npt Fitting","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PARKER 172PTC-8-4 is a push-to-connect tube-to-male NPT fitting designed for tube-to-tube and tube-to-threaded-port connections in pneumatic and air brake systems. Made from brass, it accepts a 1\/2 inch OD tube on both tube ends and terminates with a 1\/4 inch NPT male thread. Rated to 250 psi maximum working pressure, this fitting is classified as a D.O.T. air brake fitting, making it suitable for regulated air brake circuit work. The nitrile O-ring seal provides reliable tube retention and a leak-resistant connection across a wide service temperature range. Licensed HVAC technicians, fleet mechanics, and plumbing professionals install this fitting in compressed air and brake line assemblies.\u003c\/p\u003e\u003cp\u003eThis fitting is intended for use in D.O.T.-regulated air brake systems as well as general compressed air plumbing applications. The push-to-connect design allows for fast field assembly without additional ferrules or compression sleeves. It is suited for both light commercial and heavy-duty vehicle air brake circuits, as well as pneumatic control lines in HVAC and industrial equipment where 1\/2 inch OD tubing with a 1\/4 inch NPT port interface is required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePush-to-connect design for tool-free tube insertion and secure retention\u003c\/li\u003e\n\u003cli\u003e1\/2 inch OD tube connection on both tube ports\u003c\/li\u003e\n\u003cli\u003e1\/4 inch NPT male thread for direct port mounting\u003c\/li\u003e\n\u003cli\u003eRated to 250 psi maximum working pressure\u003c\/li\u003e\n\u003cli\u003eD.O.T. air brake fitting classification for regulated brake circuit use\u003c\/li\u003e\n\u003cli\u003eNitrile O-ring seal for reliable, leak-resistant performance\u003c\/li\u003e\n\u003cli\u003eBrass construction for corrosion resistance in air and pneumatic service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a D.O.T.-rated replacement or service fitting for air brake and compressed air systems using 1\/2 inch OD tubing with 1\/4 inch NPT threaded ports. Confirm thread type and tube OD against existing system specifications before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified mechanic or technician familiar with D.O.T. air brake regulations and pneumatic system requirements. Depressurize and drain the air system completely before removing or installing any fitting. Verify that the tube OD and NPT thread size match the system connections before assembly. Apply appropriate thread sealant to the male NPT threads in accordance with system requirements and applicable codes.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Tube x MNPT x Tube x Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Outside Diameter\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4 inch NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 250 psi\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\u003eMaximum Working Temperature\u003c\/strong\u003e: 200 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO-Ring Material\u003c\/strong\u003e: Nitrile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial Classification\u003c\/strong\u003e: D.O.T. Air Brake Fitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.38 pounds\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: 172PTC-8-4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51541418344754,"sku":"172PTC-8-4","price":40.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/9aa32a16b744181514bc402548e63957.jpg?v=1785875553","url":"https:\/\/voomisupply.com\/products\/parker-172ptc-8-4-push-to-connect-tube-male-npt-fitting","provider":"Voomi Supply","version":"1.0","type":"link"}