Union Special FP39573-K Upper Left Knife Drive Bushing FP39573K

Description:

The Union Special FP39573K Bushing is used in industrial sewing machine knife drive systems to support the upper left knife driving arm and maintain smooth movement during cutting operations. Commonly installed in Union Special 39500 series overlock sewing machines and textile production equipment used in garment manufacturing and high-speed stitching applications. Maintenance teams and sewing equipment technicians use this part for replacement and preventive maintenance to reduce wear and ensure dependable machine operation.

Applications:

The Union Special FP39573K Bushing is designed for use in compatible Union Special industrial sewing machines requiring stable upper knife drive support. It is commonly utilized in apparel manufacturing facilities, textile processing plants, and commercial sewing environments to maintain accurate knife movement and support continuous production efficiency.

Technical Specifications:

• Manufacturer Part Number (MPN): FP39573K
• Product Type: Bushing
• Brand: Union Special
• Function: Supports the upper left knife driving arm during operation
• Equipment Type: Industrial Sewing Machine
• Compatible Systems: Union Special 39500 series sewing machines
• Application: Upper knife drive support and stabilization
• Installation Type: Direct replacement component
• Position: Upper left knife driving arm
• Material: Metal construction
• Application Environment: Textile and garment manufacturing facilities
• Maintenance Purpose: Restores proper knife drive performance and machine reliability

Common Replacements:

• Union Special FP39573AA Bushing
• Union Special 39573E Driving Lever
• Union Special 39570J Upper Knife