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The GARDNER SPRING MC050-0105-S is a precision compression spring manufactured from stainless steel with a plain finish. It measures 0.28 inches in outside diameter and 0.413 inches in free length, making it a compact component suited for tight-tolerance assemblies. The spring carries a maximum work load of 20.01 pounds and a spring rate of 19.85 inch-pounds, delivering consistent return force across its compression range. Closed ends provide stable seating and reduce lateral movement during operation. Licensed technicians and mechanical assemblers working in HVAC, plumbing, or industrial equipment applications install this type of spring as a replacement or service component in valve assemblies, actuators, and control mechanisms.
This compression spring is intended for use in applications requiring a small-diameter, short-travel spring with precise load characteristics. Its stainless steel construction resists corrosion, making it suitable for wet, humid, or chemically exposed environments common in plumbing and HVAC service work. The solid height of 0.205 inches and closed end design allow consistent stacking and predictable deflection behavior in high-cycle assemblies. The package quantity is 3 units per order.
Designed as an OEM-style replacement precision compression spring for valves, actuators, and mechanical control assemblies requiring a 0.28-inch outside diameter closed-end spring.
Installation of compression springs in valve and actuator assemblies is typically performed by licensed HVAC technicians, plumbers, or qualified mechanical assemblers. Shut off all system pressure and de-energize any associated electrical components before disassembly. Verify seating surfaces are clean and free of debris before installing the spring to ensure proper compression alignment. Consult the original equipment manufacturer service documentation for assembly sequence and torque requirements specific to the host equipment.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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