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The VALUE COLLECTION BWSI037-100BX is a Belleville disc spring designed for applications requiring controlled axial load and deflection in a compact form factor. With an inside diameter of 0.413 inches and an outside diameter of 0.63 inches, this spring is sized for use with 3/8 inch bolts. Constructed from steel, it provides reliable load-bearing performance in bolted joint assemblies, mechanical fastening systems, and vibration-dampening applications. Maintenance technicians, mechanical assemblers, and trade professionals install these springs where consistent spring force and precise preload are required.
This Belleville disc spring is suited for residential and commercial mechanical assemblies where bolt preload retention, vibration isolation, or thermal expansion compensation is needed. The compact OD and ID dimensions make it appropriate for tight-clearance bolt flange applications. Typical installation scenarios include piping flanges, mechanical equipment mountings, and structural fastener assemblies where maintaining consistent clamp load over time is critical.
Designed as an OEM-style replacement or aftermarket Belleville disc spring for 3/8 inch bolt assemblies requiring a 0.413 inch ID and 0.63 inch OD spring washer.
Installation is typically performed by mechanical assemblers or maintenance technicians as part of bolted joint assembly or equipment servicing. De-energize or shut down any equipment before disassembling fastener joints. When stacking multiple disc springs, confirm series versus parallel orientation against the load-deflection requirements of the assembly. Follow applicable mechanical and structural fastening codes for torque and preload specifications relevant to the joint design.
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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