JACK 115019001 Lockstitch Fixed Knife

Compatible with single-needle lockstitch machines EQUIPPED WITH THREAD TRIMMER (corte de hilo) — any brand.

The Lockstitch Fixed Knife (Part 115019001) is a genuine JACK original replacement part designed for JACK A4, A5, A5e and JK-5550 series lockstitch machines. Manufactured to OEM specifications for precise fit and reliable performance.

Equivalent Part Numbers

• JACK: 115019001

Compatible Machines

This part fits the following industrial sewing machine models:

• JACK: A4, A5, A5e, JK-5550, A5E-B, A2C-C, A4C, F5-HL-7, JK-5559F-W, F6, A5E-B-H-7, A3, A7
• SIRUBA: DL-7200-BM1-16, DL720-M1, DL7200C-BH1-16Q, DL7200C-BM1-16Q
• SPEEDWAY: SW 8700 D, SW 8000 A, SW 8700 C, SW9000-56, AI4
• SINGER: 141G-20
• JUKI: DDL8100eH, DDL-9000C, DDL-9000
• BROTHER: S-7300A
• ZOJE: A6000

Technical Specifications

Brand	JACK
Part Number	115019001
Part Type	Knives
Condition	New – OEM Original

Looking for a replacement lockstitch fixed knife for your JACK A4 or A5 lockstitch machine? This genuine OEM part ensures reliable performance and precise fit. Shop with confidence — all parts ship from Miami, FL.

⚠️ Compatibility Notice: Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference only. Supra Sewing is not responsible for purchases made without confirming compatibility with your specific machine. All sales on replacement parts are final.