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REGO A3175P 1-3/4″ ACME Steel Cap w/ Chain Propane LP Gas Cylinder Fitting

SKU: A3175P
Weight 2 lbs
Dimensions 8 × 8 × 8 in

$88.40

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$88.400%
5–9$83.985%
10+$79.5610%

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REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

Check both sides of an adapter or transfer fitting before ordering, especially when joining different connection systems.

Product type ACME, POL and transfer fittings
Part / SKU A3175P

What to check before ordering

  • Identify ACME, POL or NPT, the size and male/female form at each end, and the required sealing arrangement.
  • Confirm the service medium and material, including the specified replacement seal if one is needed.
  • Have qualified gas-service personnel check the completed connection.

Service reminder: Verify what a cap or plug is designed to do. A protective dust cover should not be assumed to provide a pressure-retaining shutoff.

Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.

Product help & manufacturer resources

Explore this product guide · Shop this product group · Ask Regions Supply about this part

Overview

The REGO A3175P 1-3/4" ACME Steel Cap with Chain is a heavy-duty protective fitting designed for use in propane, LP gas, and natural gas transfer systems. Manufactured from durable steel, this cap provides a secure seal for ACME threaded connections and includes a sturdy chain for attachment, preventing loss during operation.

Applications

  • Protects ACME connections on DOT cylinders, bulk storage tanks, and transfer hosesCommonly paired with REGO shut-off valves, adapters, and fill connectorsEnsures safe and compliant operations in industrial, commercial, and propane bulk plant settings

Key Features

  • REGO quality – trusted brand in gas equipment1-3/4" ACME connection with steel construction for long service lifeAttached chain keeps cap secure and prevents misplacement
  • Ideal for propane dealers, service technicians, and bulk gas plant operators

Specifications

  • Brand: REGO
  • Model: A3175P
  • Connection: 1-3/4" ACME
  • Material: Steel
  • Finish: Metallic Silver

Condition

Brand NewThis cap is a must-have safety component for professionals working with propane and natural gas distribution equipment.

Product details

Part / SKU A3175P

Package includes

  • REGO A3175P 1-3/4" ACME Steel Cap w/ Chain Propane LP Gas Cylinder Fitting

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

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