Gardner Spring 36488G Precision Compression Spring

Product Description

The GARDNER SPRING 36488G is a precision compression spring manufactured from music wire (AISI 302, ASTM A228, ASTM A313) with a plain silver finish. It measures 0.48 inches in outside diameter with a free length of 0.5 inches and a wire diameter of 0.072 inches. The spring delivers a rate of 250.08 pounds per inch and handles a maximum work load of 44 pounds. Closed and ground ends provide stable seating and consistent load transfer. Maintenance technicians, OEM assemblers, and field service professionals across HVAC, plumbing, and mechanical trades install these springs in precision-fit applications where repeatable force and dimensional accuracy are required.

This spring is suited for use in residential and light commercial mechanical assemblies where compact, high-rate compression springs are specified. Its 0.5-inch free length and 0.48-inch outside diameter target applications with limited axial space. The 0.5-inch hole diameter fits common bore sizes used in valve assemblies, actuator mechanisms, and small equipment subassemblies. With a solid height of 0.324 inches, the spring accommodates controlled compression travel in tight housings. Sold in packages of five, this part is practical for both service stock and small-volume OEM builds.

Key Features

• Music wire construction meets AISI 302, ASTM A228, and ASTM A313 standards
• 250.08 pounds per inch spring rate for consistent, predictable force output
• 44-pound maximum work load (205.96 N) handles demanding compression cycles
• Closed and ground ends ensure flat, stable seating on both faces
• Plain silver finish with no coating to interfere with dimensional tolerances
• Compact 0.5-inch free length fits space-constrained assemblies

Compatibility

Designed as a precision-fit compression spring for mechanical assemblies requiring a 0.48-inch outside diameter, 0.5-inch free length, and 0.5-inch hole diameter. Verify all dimensional and load specifications against the target application before installation.

Installation Notes

Install this spring with the ground ends seated flat against mating surfaces to maintain axial alignment and prevent cocking under load. De-energize or depressurize the equipment before disassembly and spring replacement. Use calipers to confirm free length and outside diameter match the housing bore and seat dimensions in the assembly. Follow applicable mechanical and equipment manufacturer guidelines for spring replacement procedures.