1383103900 BOBBIN WINDER ASSY FOR JACK A2 A4 A4E A4S A7 F4 F5 F6

The 1383103900 Bobbin Winder Assembly is a replacement bobbin winding assembly for a range of Jack industrial lockstitch sewing machines, including the popular Jack A4 series.

The bobbin winder assembly is responsible for winding thread evenly onto the bobbin ready for use in the sewing machine. It is a suitable replacement when the original bobbin winder becomes worn, damaged or no longer operates correctly.

Part number 1383103900 is suitable for a range of Jack lockstitch machines including the A2, A4, A4E, A4S, A7 and F4, as well as newer replacement models including the Jack F5 and F6.

This makes it a useful replacement part for sewing machine engineers, repair workshops and businesses maintaining multiple generations of Jack industrial sewing machines.

KEY FEATURES

• Replacement bobbin winder assembly
• Part number 1383103900
• Suitable for Jack industrial lockstitch machines
• Fits Jack A2
• Fits Jack A4
• Fits Jack A4E
• Fits Jack A4S
• Fits Jack A7
• Fits Jack F4
• Suitable for newer Jack F5
• Suitable for newer Jack F6
• Replacement for worn or damaged bobbin winder assemblies
• Suitable for industrial sewing machine servicing and repair

COMPATIBLE JACK MODELS

Jack A2, A4, A4E, A4S, A7, F4, F5 and F6

The F5 and F6 are newer-generation machines replacing earlier models such as the F4, and this bobbin winder assembly is also suitable for these newer versions.

PRODUCT SPECIFICATION

Brand Compatibility: Jack
Product: Bobbin Winder Assembly
Part Number: 1383103900
Compatible Models: A2, A4, A4E, A4S, A7, F4, F5, F6
Application: Industrial Lockstitch Sewing Machines
Part Type: Replacement Bobbin Winder Assembly

IMPORTANT COMPATIBILITY INFORMATION

Please check the 1383103900 part number and your exact Jack machine model before ordering, particularly where different production generations or machine variants may use different components.