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SKU: 172552-172555

Bobbin Winder Springs for Singer 500, 503 Rocketeer - Parts # 172552 & 172555

$ 12.99
Type

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For US orders over $45, we offer free shipping as our way of showing appreciation to our valued customers. This applies after discounts, taxes, and shipping are calculated.

Delivery Time

The actual delivery time depends on your location and the shipping method chosen during checkout:

  • Standard Shipping (US): Approximately 2–5 business days within the contiguous United States.
  • Priority Shipping (US): 1–3 business days.
  • Canada: 7–14 business days, up to 30 days for remote areas.
  • Australia: 7–14 business days, up to 30 days for remote areas.
  • New Zealand: 7–14 business days, up to 30 days for remote areas.

Delivery may vary due to customs, weather, or carrier delays, especially for APO/FPO addresses.

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US Shipping

  • Free Shipping: Available on all US orders $45 and up, including APO/FPO addresses. Merchandise total must be over $45 after discounts, taxes, and shipping.
  • Flat Rate Shipping: $6.25 on orders under $45
  • Priority Shipping: $11.75
  • Shipping Service: United States Postal Service (USPS) Ground Advantage, First-Class Mail, and Priority Mail, all with tracking.
  • Shipping Timeline: Orders are shipped within 1–2 business days of being placed and generally received within 7–10 business days. APO/FPO addresses may take longer.

Canadian Shipping

  • Shipping: Weight-based carrier-calculated rates
  • Shipping Service: USPS and UPS
  • Shipping Timeline: Orders are shipped within 1–2 business days and generally received within 14 business days but may take up to 30 days for remote areas.
  • Currency: Prices displayed in USD
  • Custom Fees: May apply and are the buyer's responsibility.

Australia Shipping

  • Shipping: Weight-based carrier-calculated rates
  • Shipping Service: USPS International and UPS
  • Shipping Timeline: Orders are shipped within 1–2 business days and generally received within 7–14 business days but may take up to 30 days for remote areas.
  • Currency: Prices displayed in USD
  • Custom Fees: May apply and are the buyer's responsibility.

New Zealand Shipping

  • Shipping: Weight-based carrier-calculated rates
  • Shipping Service: USPS International and UPS
  • Shipping Timeline: Orders are shipped within 1–2 business days and generally received within 7–14 business days but may take up to 30 days for remote areas.
  • Currency: Prices displayed in USD
  • Custom Fees: May apply and are the buyer's responsibility.

Facts

Unlike many Internet retailers, we stock nearly everything we sell. Most of our products are in stock and ready to ship when you place your order. Every year, we process several thousand orders. We take great care to ensure your package arrives on time, complete, and in good condition.

Description

These bobbin winder springs are designed for Singer 500 and 503 Rocketeer sewing machines. The bobbin winder mechanism uses two springs to control the winding process: the return spring brings the winder back to its rest position after winding, while the release spring disengages the winder when the bobbin is full. These springs are essential for proper bobbin winding operation.

Specifications:

  • Return Spring Part Number: 172552
  • Release Spring Part Number: 172555
  • Type: Replacement (aftermarket)
  • Function: Controls bobbin winder engagement and return mechanism

Available Options:

  • Return & Release Springs Set - Both springs (Part # 172552 & 172555)
  • Return Spring - Part # 172552 only
  • Release Spring - Part # 172555 only

Machine Compatibility:

Fits Singer 500 Series (Rocketeer): 500, 500A, 503, 503A

Function & Benefits:

The bobbin winder springs work together to ensure smooth, automatic bobbin winding. The return spring (172552) pulls the winder mechanism back to its rest position after winding is complete, while the release spring (172555) automatically disengages the winder when the bobbin reaches full capacity, preventing overwinding and thread breakage. Replace worn, broken, or missing springs to restore proper bobbin winding function.

Installation Note:

Replace damaged, stretched, or missing bobbin winder springs to restore proper winding operation. Ensure springs are correctly installed in their designated positions for proper engagement and release function.

Specifications

  • Brand
    Generic
  • Condition
    New

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Bobbin Winder Springs - Fits Singer Sewing Machine Models 500A, 503A - Central Michigan Sewing Supplies

Bobbin Winder Springs for Singer 500, 503 Rocketeer - Parts # 172552 & 172555

From $ 6.89

These bobbin winder springs are designed for Singer 500 and 503 Rocketeer sewing machines. The bobbin winder mechanism uses two springs to control the winding process: the return spring brings the winder back to its rest position after winding, while the release spring disengages the winder when the bobbin is full. These springs are essential for proper bobbin winding operation.

Specifications:

Available Options:

Machine Compatibility:

Fits Singer 500 Series (Rocketeer): 500, 500A, 503, 503A

Function & Benefits:

The bobbin winder springs work together to ensure smooth, automatic bobbin winding. The return spring (172552) pulls the winder mechanism back to its rest position after winding is complete, while the release spring (172555) automatically disengages the winder when the bobbin reaches full capacity, preventing overwinding and thread breakage. Replace worn, broken, or missing springs to restore proper bobbin winding function.

Installation Note:

Replace damaged, stretched, or missing bobbin winder springs to restore proper winding operation. Ensure springs are correctly installed in their designated positions for proper engagement and release function.

Type

  • Return & Release Springs #172552 & 172555
  • Return Spring #172552
  • Release Spring #172555
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