8PIN Relay/Tube Socket Assembly, Molded-In-Plate Chassis Panel Frame Layout, Steel Mounting Structural Plate, Solid Black Commercial Phenolic Body Insulation, -55°C to +125°C Extended Thermionic Window | High-reliability industrial chassis panel mount female octal interface socket manufactured by Cinch (TRW) featuring heavy-duty silver-plated copper-alloy structural contact sleeves and a 1.500" screw hole mounting center, explicitly engineered to isolate high-voltage power paths, prevent localized electrical tracking, and provide high-retention physical structural support for vintage 8-pin electronic power tubes or plug-in electromechanical control relays against extreme machinery vibration | Industry Exact Equivalents: Cinch 8CS-M, Cinch 8CSM, TRW Cinch 8CS-M, Cinch 8-BMS | Industry Functional Cross-References: Amphenol 77MIP8, Amphenol 78-S8, Wire-Pro 77MIP8, Cooper Interconnect 77MIP8 | Military Specification National Stock Number (NSN): 5935-00-281-1254