{"product_id":"rotor-clip-sh-137ss-mps-external-snap-retaining-ring","title":"Rotor Clip SH-137SS Mps External Snap Retaining Ring","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ROTOR CLIP SH-137SS MPS is an external snap retaining ring engineered for precision fastening on 1.375-inch diameter shafts. Made from 15-7 Grade 632 stainless steel and passivated to AMS-5529 and UNS S15700 standards, this ring delivers strong corrosion resistance and hardness rated at 44 to 51 HRC. It seats into a 1.291-inch groove diameter and holds a ring thickness of 0.050 inches. Licensed mechanics, millwrights, and maintenance technicians working in industrial, aerospace, or heavy-duty fluid-system assemblies will find this ring suited for applications that demand tight dimensional tolerances and material traceability.\u003c\/p\u003e\u003cp\u003eThis retaining ring is used in shaft assemblies requiring a secure external fastener that resists corrosion and retains its mechanical properties under demanding service conditions. The passivated stainless steel construction makes it appropriate for environments exposed to moisture, chemicals, or elevated temperatures. Typical install scenarios include pump shafts, motor assemblies, gearboxes, and instrumentation housings where precise groove engagement and reliable axial retention are critical. The ring meets military specification MS 16624-4137, making it suitable for defense and aerospace procurement.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e15-7 Grade 632 stainless steel with passivated finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHardness of 44 to 51 HRC for reliable retention under load\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\u003eGroove width of 0.056 inches for precise seating\u003c\/li\u003e\n\u003cli\u003eMeets AMS-5529, UNS S15700, MS 16624-4137, and ISO 13485:2015\u003c\/li\u003e\n\u003cli\u003eRing thickness of 0.050 inches with tight tolerance of -0.002 to 0.002 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for external installation on 1.375-inch diameter shafts with a corresponding groove diameter of 1.291 inches. Conforms to military specification MS 16624-4137.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eExternal snap rings of this type are installed using retaining ring pliers sized for external rings. Always power down and de-energize the assembly before disassembly or installation. Verify groove dimensions and ring thickness match shaft specifications prior to installation. Do not over-expand the ring beyond its free outside diameter during installation to avoid setting or distortion.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Diameter\u003c\/strong\u003e: 1.375 inches (34.93 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Diameter\u003c\/strong\u003e: 1.291 inches (32.79 mm)\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: 1.272 inches (32.31 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Diameter Tolerance\u003c\/strong\u003e: -0.015 to 0.010 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Outside Diameter\u003c\/strong\u003e: 1.800 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove Width\u003c\/strong\u003e: 0.056 inches (1.42 mm)\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 (1.27 mm)\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: 15-7 Grade 632 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Passivated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness\u003c\/strong\u003e: 44-51 HRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: AMS-5529, UNS S15700, MS 16624-4137, ISO 13485:2015\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\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: SH-137SS MPS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ROTOR CLIP","offers":[{"title":"Default Title","offer_id":51699628605746,"sku":"SH-137SS MPS","price":66744.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/bdd7e3d5f2af4164db9d9a73af6439b3_7da11f2b-b0d9-4e01-9df2-6a9f4dc9952b.jpg?v=1788378419","url":"https:\/\/voomisupply.com\/products\/rotor-clip-sh-137ss-mps-external-snap-retaining-ring","provider":"Voomi Supply","version":"1.0","type":"link"}