{"product_id":"ms28773-16","title":"MS28773-16  -  Retainer Ring","description":"\u003cp data-end=\"285\" data-start=\"0\"\u003ePart number \u003cstrong data-end=\"44\" data-start=\"30\"\u003eMS28773-16\u003c\/strong\u003e is a \u003cstrong data-end=\"65\" data-start=\"50\"\u003ebackup ring\u003c\/strong\u003e used in aerospace and hydraulic sealing applications. Backup rings are installed alongside O-rings to prevent extrusion of the seal material under high pressure, improving sealing reliability and extending service life.\u003c\/p\u003e\n\u003cp data-end=\"491\" data-start=\"287\"\u003eThe \u003cstrong data-end=\"302\" data-start=\"291\"\u003eMS28773\u003c\/strong\u003e series typically consists of non-metallic backup rings manufactured from PTFE (Teflon) or similar low-friction materials for compatibility with hydraulic fluids and aerospace environments.\u003c\/p\u003e\n\u003cp data-end=\"513\" data-start=\"493\"\u003e\u003cstrong data-end=\"511\" data-start=\"493\"\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"735\" data-start=\"514\"\u003e\n\u003cli data-end=\"545\" data-start=\"514\" data-section-id=\"1pi357\"\u003e\n\u003cstrong data-end=\"532\" data-start=\"516\"\u003ePart Number:\u003c\/strong\u003e MS28773-16\u003c\/li\u003e\n\u003cli data-end=\"593\" data-start=\"546\" data-section-id=\"1pct29t\"\u003e\n\u003cstrong data-end=\"557\" data-start=\"548\"\u003eType:\u003c\/strong\u003e Backup ring \/ anti-extrusion ring\u003c\/li\u003e\n\u003cli data-end=\"653\" data-start=\"594\" data-section-id=\"fqb8ll\"\u003e\n\u003cstrong data-end=\"609\" data-start=\"596\"\u003eMaterial:\u003c\/strong\u003e PTFE (Teflon) or equivalent fluoropolymer\u003c\/li\u003e\n\u003cli data-end=\"674\" data-start=\"654\" data-section-id=\"1k88m2w\"\u003e\n\u003cstrong data-end=\"666\" data-start=\"656\"\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli data-end=\"735\" data-start=\"675\" data-section-id=\"1cxivif\"\u003e\n\u003cstrong data-end=\"693\" data-start=\"677\"\u003eApplication:\u003c\/strong\u003e Hydraulic and pneumatic sealing systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"753\" data-start=\"737\"\u003e\u003cstrong data-end=\"751\" data-start=\"737\"\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"901\" data-start=\"754\"\u003e\n\u003cli data-end=\"803\" data-start=\"754\" data-section-id=\"1u717gl\"\u003e\n\u003cstrong data-end=\"781\" data-start=\"756\"\u003eInside Diameter (ID):\u003c\/strong\u003e 31.11 mm (1.225 in)\u003c\/li\u003e\n\u003cli data-end=\"854\" data-start=\"804\" data-section-id=\"163z3pk\"\u003e\n\u003cstrong data-end=\"832\" data-start=\"806\"\u003eOutside Diameter (OD):\u003c\/strong\u003e 36.65 mm (1.443 in)\u003c\/li\u003e\n\u003cli data-end=\"901\" data-start=\"855\" data-section-id=\"1osb7xm\"\u003e\n\u003cstrong data-end=\"880\" data-start=\"857\"\u003eHeight \/ Thickness:\u003c\/strong\u003e 1.85 mm (0.073 in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"917\" data-start=\"903\"\u003e\u003cstrong data-end=\"915\" data-start=\"903\"\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1173\" data-start=\"918\"\u003e\n\u003cli data-end=\"962\" data-start=\"918\" data-section-id=\"1h9o5ul\"\u003ePrevents O-ring extrusion under pressure\u003c\/li\u003e\n\u003cli data-end=\"1010\" data-start=\"963\" data-section-id=\"182nfpu\"\u003eCompatible with aerospace hydraulic systems\u003c\/li\u003e\n\u003cli data-end=\"1059\" data-start=\"1011\" data-section-id=\"1k2y0g6\"\u003eLow friction and chemical-resistant material\u003c\/li\u003e\n\u003cli data-end=\"1098\" data-start=\"1060\" data-section-id=\"10lxwlj\"\u003eImproves seal life and reliability\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"1173\" data-start=\"1099\" data-section-id=\"m8g9o1\"\u003eCommonly used in aircraft hydraulic actuators, valves, and fluid systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zenith Aviation","offers":[{"title":"Default Title","offer_id":53172660371820,"sku":"MS28773-16","price":0.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0529\/3788\/3813\/files\/IMG_5571.jpg?v=1778263262","url":"https:\/\/shop.zenithaviation.com\/products\/ms28773-16","provider":"Zenith Aviation","version":"1.0","type":"link"}