{"product_id":"roller-linear-rotary-motion-military-grade","title":"ROLLER, LINEAR‑ROTARY MOTION – MILITARY‑GRADE","description":"\u003ch1\u003e\u003cstrong\u003eROLLER, LINEAR‑ROTARY MOTION – MILITARY‑GRADE\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNSN: 3120‑01‑339‑5255\u003c\/strong\u003e \u003cstrong\u003ePart Numbers: 5210090, 5210069 (ITEM 18)\u003c\/strong\u003e \u003cstrong\u003eMaterial: Stainless Steel, Passivated\u003c\/strong\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePrice:\u003c\/strong\u003e \u003cem\u003eTell me your preferred price and I’ll insert it.\u003c\/em\u003e \u003cstrong\u003eIn Stock — Ships within 1 business day\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003ePRODUCT DESCRIPTION\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis \u003cstrong\u003emilitary‑spec linear‑rotary motion roller\u003c\/strong\u003e is engineered for high‑precision rotational and linear interface applications found in engines, fuel systems, cam mechanisms, and valve assemblies. Designed to meet U.S. military specifications, this roller provides smooth, reliable motion transfer under high load and high‑cycle conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from \u003cstrong\u003ecorrosion‑resistant stainless steel\u003c\/strong\u003e and \u003cstrong\u003epassivated\u003c\/strong\u003e for enhanced durability, this roller is ideal for Humvee maintenance, military engine rebuilds, fuel injection systems, and industrial machinery requiring OEM‑grade roller components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eFEATURES \u0026amp; BENEFITS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePrecision‑machined roller\u003c\/strong\u003e for linear‑rotary motion applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eStainless steel construction\u003c\/strong\u003e for corrosion resistance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePassivated surface treatment\u003c\/strong\u003e for extended service life \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ps-2\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNot casehardened\u003c\/strong\u003e — consistent material properties throughout \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ps-2\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDirect‑fit replacement\u003c\/strong\u003e for OEM part numbers 5210090 and 5210069\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIdeal for cam followers, valve systems, and push‑rod guides\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eCOMPATIBILITY\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis roller is used across multiple military and industrial systems, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCamshaft and cam‑ring interfaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFuel injection pump mechanisms\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eValve stem contact surfaces\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePush‑rod guides and rocker arm assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTurntables, latches, and parallel bearing surfaces requiring roller support \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e(Only 3 available)\u003c\/h2\u003e","brand":"SECO Parts and Equipment ","offers":[{"title":"Default Title","offer_id":54415503196373,"sku":null,"price":3450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2136\/9617\/files\/20260730_145013.jpg?v=1785766936","url":"https:\/\/secoparts.net\/products\/roller-linear-rotary-motion-military-grade","provider":"SECO Parts and Equipment ","version":"1.0","type":"link"}