Gardner Spring MU312-0130 Curved Disc Spring

Product Description

The GARDNER SPRING MU312-0130 is a curved disc spring - also known as a Belleville-style washer spring - engineered for high-load applications in compact assemblies. Manufactured from steel, this spring measures 0.612 inches in outer diameter, 0.327 inches in inner diameter, and 0.077 inches in overall height. It delivers a rated load of 953.19 pounds at a deflection of 0.0413 inches, making it suitable for precision clamping, preloading, and vibration-dampening tasks where a small footprint and high force output are required. HVAC, mechanical, and industrial trades use curved disc springs in equipment assemblies that demand consistent axial force in tight spaces.

This curved disc spring is sized for a 5/16 inch bolt and fits applications calling for a compact, high-force spring element. Typical use cases include shaft preloading, bearing retention, valve assemblies, and fastener locking systems in both residential and commercial mechanical equipment. The steel construction handles the compressive and cyclic loading common in these environments. Technicians working on HVAC equipment, pump assemblies, and related mechanical systems will encounter this spring type in factory-assembled component stacks.

Key Features

• Rated load of 953.19 pounds at full deflection of 0.0413 inches - high force output in a small form factor
• Steel construction for durability under repeated compressive cycling
• Sized for 5/16 inch bolt applications
• 0.612 inches outer diameter fits compact spring pockets and counterbores
• Curved disc profile provides consistent, predictable axial load characteristics
• Package quantity of 10 per order unit supports stacking configurations and field replacements

Compatibility

Designed for use in assemblies calling for a curved disc spring with a 5/16 inch bolt size, 0.612 inches outer diameter, and 0.327 inches inner diameter. Consult equipment manufacturer documentation to confirm spring stack configuration and load requirements before installation.

Installation Notes

Curved disc springs are installed by qualified mechanical technicians familiar with spring-stack preload requirements. Power down and de-energize any equipment before disassembling the spring assembly. Springs may be stacked in series to increase deflection range or in parallel to increase load capacity - do not alter stack configuration without verifying the resulting load curve against equipment specifications. Handle steel disc springs carefully to avoid edge damage that could affect load performance.