{"product_id":"n-a-4381038060-1-1-4-in-fnpt-304-stainless-steel-locknut-class-150-2-1-16-in-hex-size","title":"4381038060 – 1-1\/4 in FNPT 304 Stainless Steel Locknut, Class 150, 2-1\/16 in Hex Size","description":"\u003cdiv class=\"nbs-product-description\"\u003e\n\u003cp class=\"nbs-intro\"\u003eThe 4381038060 1-1\/4 in FNPT 304 Stainless Steel Locknut is available from National Boiler Supply. We support purchasing teams with fast dispatch, formal quotes, and a live order desk at 850-565-3492.\u003c\/p\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eConstructed from 304 stainless steel, this locknut offers resistance to corrosion and includes a threaded FNPT connection compatible with 1 1\/4 inch Class 150 pipe fittings. It is rated for use with air, natural gas, non-potable water, oil, and steam systems within specified pressure ranges, with a maximum operating pressure of 300 psi and a maximum steam pressure of 150 psi. The product conforms to ASTM-A-351 material standards, ANSI\/ASME B1.20.1 thread specifications, and MSS-SP-114 Class 150 pressure rating.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 304 stainless steel, providing corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eNominal Pipe Size: 1 1\/4 in with FNPT connection type.\u003c\/li\u003e\n\u003cli\u003ePressure Rating: Class 150 with a maximum operating pressure of 300 psi.\u003c\/li\u003e\n\u003cli\u003eApplicable for conveying air, natural gas, non-potable water, oil, and steam.\u003c\/li\u003e\n\u003cli\u003eHex Size: 2 1\/16 in for wrench engagement.\u003c\/li\u003e\n\u003cli\u003eOverall Length: 7\/16 in and bolt hole center-to-center distance of 1 1\/4 in.\u003c\/li\u003e\n\u003cli\u003eStandards Compliance: ASTM-A-351 material, ANSI\/ASME B1.20.1 threads, MSS-SP-114 Class 150 pressure rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"nbs-spec-wrap\" style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable class=\"nbs-spec-table\" style=\"width:100%;max-width:100%;border-collapse:collapse;font-size:0.95em;\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003cth scope=\"row\" style=\"text-align:left;padding:8px 10px;border:1px solid #d9dee5;background:#f4f6f9;width:38%;\"\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:8px 10px;border:1px solid #d9dee5;\"\u003e4381038060\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"nbs-b2b-callout\" style=\"border-left:4px solid #1F3A5F;background:#f4f6f9;padding:12px 16px;margin:18px 0 0;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eOEM Part Verification:\u003c\/strong\u003e Confirm part number 4381038060 against your equipment nameplate or parts list before ordering. Our order desk can cross-check it for you.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eOrder Desk Support:\u003c\/strong\u003e Call \u003ca href=\"tel:+18505653492\"\u003e850-565-3492\u003c\/a\u003e for formal quotes, lead times, and volume pricing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":43332050616414,"sku":"4381038060","price":22.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z_7J30fo5oy_318c582b-0de9-48a8-a6c1-bf728a27d32e.jpg?v=1794523713","url":"https:\/\/nationalboilersupply.com\/products\/n-a-4381038060-1-1-4-in-fnpt-304-stainless-steel-locknut-class-150-2-1-16-in-hex-size","provider":"National Boiler Supply","version":"1.0","type":"link"}