{"product_id":"dop-npt-1-4-cu-cap-hexagonal-lets-race-aluminiu","title":"1\/4 NPT Plug with Hex Head, Let's Race Aluminium","description":"\u003cdiv class=\"mts-description-container\"\u003e\n\u003cp\u003eTapered NPT plug for closing an unused port. The external hex head takes an open-ended spanner. The 1\/4 NPT thread measures 13.6 mm across the outside, with 18 threads per inch, and seals on the taper with tape or paste.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread outside diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThreads per inch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eexternal hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSealing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003etapered thread, with tape or paste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eanodised aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cul class=\"mts-notes-list\"\u003e\n\u003cli\u003eCloses an unused NPT port on a pump, fuel rail, distribution block or filter housing.\u003c\/li\u003e\n\u003cli\u003eMeasure the thread before ordering: with NPT the number is not the diameter, see the table below.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat the NPT size means\u003c\/h3\u003e\n\u003cp\u003eThe number in front of NPT is not a diameter. It is a nominal pipe size, inherited from plumbing, and the thread measured with a caliper always comes out larger. What you find on the part:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eThread outside diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eThreads per inch\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/8 NPT\u003c\/td\u003e\n\u003ctd\u003e10.2 mm\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/4 NPT\u003c\/td\u003e\n\u003ctd\u003e13.6 mm\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/8 NPT\u003c\/td\u003e\n\u003ctd\u003e17.1 mm\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/2 NPT\u003c\/td\u003e\n\u003ctd\u003e21.2 mm\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4 NPT\u003c\/td\u003e\n\u003ctd\u003e26.6 mm\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eSo a 1\/8 NPT measures over 10 mm, not 3 mm. The thread has a 1:16 taper, it narrows as it goes in, and that is why it seals by itself: fit it with tape or sealing paste and tighten until you feel it, not to the stop. Dimensions are from ANSI\/ASME B1.20.1.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Let's Race","offers":[{"title":"Default Title","offer_id":54631937442130,"sku":"LR-PLUG-NPT-14-HEX","price":16.0,"currency_code":"RON","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/6857\/8642\/files\/8592.jpg?v=1788960939","url":"https:\/\/letsrace.ro\/en\/products\/1-4-npt-hex-head-plug-anodised-aluminium-lets-race","provider":"Let's Race | Echipamente Motorsport, Trackday si Karting","version":"1.0","type":"link"}