Genuine SIMANCO Singer Pressure Regulating Thumb Screw Part # 51228 - Blackside
Genuine SIMANCO Singer Pressure Regulating Thumb Screw Part # 51228 - Blackside is backordered and will ship as soon as it is back in stock.
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- Custom Fees:Â May apply and are the buyer's responsibility.
New Zealand Shipping
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- Custom Fees:Â May apply and are the buyer's responsibility.
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Genuine SIMANCO Singer Pressure Regulating Thumb Screw Part # 51228...
Description
Description
Genuine Vintage Singer Pressure Regulating Thumb Screw - Part # 51228 - Blackside
This genuine original SIMANCO pressure regulating thumb screw (commonly called presser foot adjuster) is an essential component that controls the amount of pressure applied to the presser foot in your vintage Singer sewing machine. SIMANCO (Singer Manufacturing Company) stamped parts represent authentic Singer quality and precision engineering. In excellent pre-owned condition with the distinctive Blackside finish, this authentic Singer part is a piece of WWII-era sewing machine history.
What is "Blackside"?
The "Blackside" finish refers to vintage Singer parts produced during and shortly after World War II that feature a distinctive black oxide finish rather than the standard bright chrome or nickel plating. During WWII, metals like chromium and nickel were in high demand for the war effort and restricted for civilian use. Singer adapted by using a chemical black oxide treatment (similar to bluing or Parkerizing used on firearms) to create a durable, non-reflective black finish. These Blackside parts are highly collectible and tell a unique story of wartime adaptation.
What the Pressure Regulating Thumb Screw Does
The pressure regulating thumb screw is a critical adjustment component in the presser foot pressure system:
- Controls Pressure: Adjusts the amount of pressure the presser foot applies to fabric during sewing
- Fabric Customization: Allows you to increase pressure for heavy fabrics or decrease pressure for delicate materials
- Works with Spring: Regulates the tension of the presser bar spring (part #80011) to fine-tune pressure
- Ensures Proper Feeding: Correct pressure adjustment ensures even fabric feeding and professional stitch quality
When to Replace Your Pressure Regulating Thumb Screw
Common issues requiring thumb screw replacement include:
- Stripped Threads: Threads become worn or damaged, preventing proper adjustment
- Damaged Knob: Thumb screw knob becomes damaged or difficult to turn
- Missing Part: Lost during machine disassembly or restoration
- Restoration Projects: Replacing worn or damaged components to restore vintage machines to working condition, especially for collectors seeking authentic Blackside parts
Compatible Singer Models
15-86, 15-87, 15-88, 15-89, 15-90, 15-91, 15-96, 15-97, 201, 201-2, 201K
Specifications
- Part Number: 51228
- Material: Steel with black oxide finish (Blackside)
- Finish: Blackside (WWII-era black oxide finish - highly collectible)
- Condition: Pre-owned, excellent condition
- Authenticity: Genuine original SIMANCO (Singer Manufacturing Company) part
- Historical Significance: WWII-era Blackside finish
Genuine vintage SIMANCO pressure regulating thumb screw in excellent pre-owned condition with collectible Blackside finish. Essential replacement for stripped or damaged presser foot adjusters with authentic WWII-era styling.
Specifications
Specifications
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