Schlage C503-331 Plunger Spring for ND Series Levers

Schlage C503-331 Plunger Spring for ND Series Levers

The Schlage C503-331 is a genuine OEM replacement plunger spring designed specifically for use with Schlage ND Series levers. This commercial-grade replacement part ensures continued reliable operation of ND Series lever hardware by restoring proper spring tension to the plunger mechanism. Engineered to Schlage's exacting standards, the C503-331 is a precision component belonging to the Rings, Spindles and Springs product family and is an essential service part for maintaining ND Series door hardware in commercial environments.

Key Features

• Genuine Schlage Replacement Part: Authentic OEM component manufactured to Schlage's specifications, ensuring proper fit and function within ND Series lever assemblies.
• ND Series Compatibility: Designed specifically for use with Schlage ND Series levers, making it the correct choice for servicing this widely installed commercial lever line.
• Precision Spring Component: Functions as the plunger spring within the lever mechanism, restoring proper tension and ensuring smooth, consistent lever return action.
• Commercial-Grade Quality: Rated for commercial applications, this replacement part meets the demands of high-traffic door hardware installations.
• Direct Drop-In Replacement: Engineered as a direct replacement component, minimizing service time and eliminating the need for custom fitting or modification.
• Part of Schlage Parts Ecosystem: Sourced from Schlage's genuine parts program, ensuring compatibility and quality assurance for professional installers and service technicians.

Technical Specifications

• Department: Door Hardware
• Product Category: Mechanical Locks
• Product Group: Parts and Accessories
• Subcategory: Parts and Accessories
• Product Subgroup: Parts and Accessories
• Product Type: Rings, Spindles and Springs
• Parts and Accessories Type: Replacement Parts
• Commercial/Residential: Commercial
• Product Model: C503-331
• Features: Schlage Parts

Typical Applications

• Commercial Office Buildings with Schlage ND Series lever hardware
• Educational Facilities servicing existing ND Series installations
• Healthcare Institutions maintaining commercial door hardware
• Retail Establishments requiring lever mechanism repair
• Industrial and Warehouse Facilities with ND Series levers
• Government and Municipal Buildings using Schlage ND Series hardware
• Multi-Tenant Residential Properties with commercial-grade lever hardware

Why Schlage C503-331?

Schlage genuine replacement parts like the C503-331 Plunger Spring are manufactured to the same standards as original production components, ensuring reliable performance and proper fit within ND Series lever assemblies. Choosing an authentic Schlage part eliminates compatibility concerns and supports the long-term performance of installed commercial door hardware. For professional service technicians and facilities managers, the C503-331 is the dependable, manufacturer-approved solution for restoring ND Series lever function.