{"product_id":"rotor-clip-cg-137sj-external-spiral-retaining-ring","title":"Rotor Clip CG-137SJ External Spiral Retaining Ring","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ROTOR CLIP CG-137SJ is an external spiral retaining ring engineered for precise shaft retention in mechanical assemblies. Manufactured from AISI 302 stainless steel and finished with an oil coating, this ring seats into a machined groove on the outside diameter of a shaft to prevent axial movement of mounted components. The shaft diameter is 1-3\/8 inches with a groove diameter of 1.291 inches. Ring thickness is 0.05 inches and groove width is 0.056 inches. It meets AISI 302, AMS-5866, and ISO 13485:2016 standards, making it appropriate for demanding industrial, medical device, and HVAC mechanical applications. Machinists, millwrights, and field technicians install this type of ring using standard retaining ring pliers.\u003c\/p\u003e\u003cp\u003eThis retaining ring is suited for use in rotating shaft assemblies, drive components, pump shafts, motor shafts, and similar equipment where a reliable external groove-mounted fastener is required. Its spiral design allows installation without special snap ring pliers in many configurations. The 302 stainless steel construction resists corrosion, making it suitable for wet or humid environments such as pumping systems and HVAC equipment. The minimum order quantity is 5 pieces, sold individually packaged.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eExternal spiral ring design for 1-3\/8 inch shaft diameter applications\u003c\/li\u003e\n\u003cli\u003eAISI 302 stainless steel construction with oil finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eMeets AMS-5866 and ISO 13485:2016 standards\u003c\/li\u003e\n\u003cli\u003eGroove diameter of 1.291 inches with tolerance of -0.004 to +0.004 inches\u003c\/li\u003e\n\u003cli\u003eRing thickness of 0.05 inches with tolerance of -0.002 to +0.002 inches\u003c\/li\u003e\n\u003cli\u003eFree outside diameter of 1.513 inches; free inside diameter of 1.277 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for external groove retention on shafts with a 1-3\/8 inch diameter and a groove width of 0.056 inches. Suitable as a direct replacement or specification-matched component in assemblies requiring AISI 302 or AMS-5866 compliant spiral retaining rings.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified mechanic or technician. De-energize and lock out all equipment before servicing any shaft assembly. Verify groove dimensions match the ring specifications before installation to ensure proper seating and axial load capacity. Spiral retaining rings can typically be wound into the groove by hand or with flat-nose pliers; do not over-stress the ring during installation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Diameter\u003c\/strong\u003e: 1-3\/8 inches (1.3750 inches decimal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Diameter\u003c\/strong\u003e: 1.291 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Diameter Tolerance\u003c\/strong\u003e: -0.004 to +0.004 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Diameter\u003c\/strong\u003e: 1.277 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Diameter Tolerance\u003c\/strong\u003e: -0.013 to 0.000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Outside Diameter\u003c\/strong\u003e: 1.513 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Width\u003c\/strong\u003e: 0.056 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Width Tolerance\u003c\/strong\u003e: 0.000 to +0.004 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Depth\u003c\/strong\u003e: 0.042 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness\u003c\/strong\u003e: 0.050 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness Tolerance\u003c\/strong\u003e: -0.002 to +0.002 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: 302 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: AISI 302, AMS-5866, ISO 13485:2016\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Type\u003c\/strong\u003e: External Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.00774 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 5\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ROTOR CLIP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: CG-137SJ\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ROTOR CLIP","offers":[{"title":"Default Title","offer_id":51717388337458,"sku":"CG-137SJ","price":4768.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/29a69c0aa71c152307354dd1c5168e00_ec6586e2-7134-4f6f-ab87-f30995a66664.jpg?v=1788539620","url":"https:\/\/voomisupply.com\/products\/rotor-clip-cg-137sj-external-spiral-retaining-ring","provider":"Voomi Supply","version":"1.0","type":"link"}