CSM3X8 Adaptor Fixing Screw for O.S. Engine OS22826131  [OS22826131]

CSM3X8 Adaptor Fixing Screw for RC Engine Adaptors

This O.S. Engine OS22826131 adaptor fixing screw is a scale RC replacement fastener intended to secure adaptor assemblies on nitro or glow model engines. The CSM3X8 designation in the product name identifies the screw profile used by adaptor fittings and mounting flanges.

The component serves as a small but essential piece during servicing or rebuilding of engine adaptor interfaces, helping to preserve alignment between the adaptor and the engine output shaft. As a purpose-made fixing screw, it fits where the original adaptor hardware specifies a CSM3X8 type fastener.

Before final installation of a replacement, check that the screw provides correct thread engagement and seating depth for your specific adaptor and crankcase interface. Regular inspection as part of engine maintenance reduces the chance of loosening and helps maintain dependable adaptor alignment in use.