Value Collection BWSI043-100BX Belleville Disc Spring

Product Description

The VALUE COLLECTION BWSI043-100BX is a Belleville disc spring designed for applications requiring controlled axial load and deflection in a compact form factor. This conical washer-style spring stores and releases energy under compression, making it well suited for bolt preload maintenance, vibration dampening, and load distribution in mechanical assemblies. It features a 0.457 inch inner diameter and a 0.626 inch outer diameter, sized to fit a 7/16 inch bolt. Constructed from steel, this spring provides consistent performance in demanding service environments.

Belleville disc springs of this size are commonly used in industrial, mechanical, and trade applications where maintaining clamp force or controlling deflection in a tight axial space is required. Typical installations include flange bolt assemblies, valve stems, pump housings, and equipment subject to thermal cycling or vibration. This spring is appropriate for use by millwrights, maintenance technicians, pipefitters, and mechanical contractors working on bolted joint assemblies where preload retention is critical.

Key Features

• 0.457 inch inner diameter sized for 7/16 inch bolt clearance
• 0.626 inch outer diameter for compact radial footprint
• Steel construction for durability under compressive load
• Conical disc design delivers controlled axial spring force
• Suitable for stacking in series or parallel to tune load and deflection

Compatibility

Designed as an OEM-style replacement or maintenance stock Belleville disc spring for 7/16 inch bolt assemblies requiring a 0.457 inch ID and 0.626 inch OD conical washer spring.

Installation Notes

Installation is typically performed by a qualified millwright or mechanical technician. Always de-energize and lock out the equipment before disassembling bolted joints. Disc springs may be stacked in series to increase deflection range or in parallel to increase load capacity; confirm the stacking configuration against the assembly design requirements before installing. Follow applicable industry standards and equipment manufacturer torque specifications when re-torquing fasteners after spring installation.