Baldwin 5300 Thumblift Repair Kit — 5300.000.005

For a Baldwin tubular handleset thumbpiece that is loose, sticking, or no longer returning correctly.

The Baldwin 5300.000.005 thumblift repair kit replaces the small operating parts in the thumblift mechanism without replacing the complete handleset.

Use this when

• The outside thumbpiece is loose or not returning normally
• The handleset trim is still in good condition
• You have confirmed the failure is in the thumblift mechanism

Baldwin part number: 5300.000.005

This is a tubular handleset repair part. It is not a mortise lock repair part.

Read the Baldwin Thumbpiece Repair Guide

Not sure what failed? Send us photos of both sides of the lock and the edge of the door before ordering.

Image note: Some images on this page are AI-generated reference illustrations used to show where this part is located or what it repairs. Actual hardware and part appearance may vary. Classic Door is replacing these illustrations with our own field photography as it becomes available.