CURTISS-WRIGHT P2-660-H Pop Plug Tube Plugging 0.66IN

( Brand: Curtiss-wright ), ( Manufacturer Part Number: P2-660-H ), ( Part Type: Plug Tube ), ( Model Line: Pop-a-plug ), ( Reference Sku: 1770676 )

Review CURTISS WRIGHT Pop a plug P2 Tube Plugging System 0.66in

The **Curtiss-Wright P2-660-H Pop-a-Plug P2 Tube Plug** is a precision-engineered, high-performance metal tube plug designed specifically for sealing and protecting the ends of 0.66-inch (16.76 mm) diameter aircraft and industrial tubing systems. Crafted from durable **300-series stainless steel**, this plug combines exceptional corrosion resistance with robust mechanical strength, making it ideal for applications where reliability and longevity are critical such as in aerospace, automotive, and general industrial environments. The **Pop-a-Plug** design features a unique, spring-loaded mechanism that allows for quick and easy installation without the need for specialized tools, reducing downtime and simplifying maintenance procedures. The plug s **threaded end** ensures a secure, leak-proof seal when properly torqued into place, while its **smooth, tapered interior** minimizes turbulence and pressure drop within the tubing system, preserving efficiency. Engineered to meet stringent aerospace standards, including those set by the **Military Specification MIL-P-8775**, this plug is also compatible with a wide range of **AN, MS, and NAS** fittings, offering versatility for various plumbing configurations. Whether used in hydraulic systems, fuel lines, pneumatic applications, or other high-pressure environments, the P2-660-H delivers a dependable, long-lasting solution that balances ease of use with superior performance. Its **self-sealing design** prevents contamination and moisture ingress, further extending the lifespan of the tubing and connected components. For engineers, technicians, and maintenance crews, this plug represents a practical investment in system integrity and operational reliability.

### **Pros and Cons of buying a Curtiss-Wright P2-660-H Pop-a-Plug P2 Tube Plugging Kit (0.66" Size)**

1. **Quick and Easy Installation** The "Pop-a-Plug" design allows for fast, tool-free installation without the need for specialized tools or welding. This makes it ideal for maintenance or emergency repairs in tight spaces or remote locations.

2. **No Permanent Damage** Unlike welding or threading, this plug does not alter the original tube wall thickness, preserving structural integrity. It can also be removed and reused if needed.

3. **Versatile Applications** Suitable for a wide range of systems, including hydraulic, pneumatic, and general mechanical tubing, where temporary or permanent sealing is required.

4. **Cost-Effective for Short-Term Use** Since it does not require welding or threading, labor costs are minimized, especially for one-time or temporary repairs.

5. **No Leak Risk from Improper Welding** Unlike welded plugs, which can fail if improperly applied, this mechanical plug relies on a secure mechanical fit rather than fusion.

6. **Compatibility with Standard Tube Sizes** The 0.66" size fits common tubing diameters, making it a practical choice for many industrial and maintenance scenarios.

7. **No Heat Damage** Unlike welding, which can weaken metal due to heat, this method avoids thermal stress on the tubing.

8. **Reusable in Some Cases** If properly removed without damage, the plug can be reused, reducing replacement costs.

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1. **Not Permanent for High-Pressure Systems** While effective for moderate pressures, it may not be suitable for extremely high-pressure applications where welded or threaded plugs are standard.

2. **Limited Lifespan Under Vibration or Cyclic Loading** Over time, repeated stress or vibration could cause the plug to loosen or fail, especially if not properly secured.

3. **Requires Proper Sizing** If the tube diameter is not exact, the plug may not seal effectively, leading to leaks. Precision is necessary for optimal performance.

4. **No Pressure Rating Specified** Unlike welded or threaded plugs, the maximum working pressure for this type of plug is not always clearly stated, requiring user research to ensure suitability.

5. **Potential for Corrosion Over Time** If the plug material is not corrosion-resistant (e.g., stainless steel), exposure to moisture or chemicals could degrade its performance.

6. **Not Ideal for High-Temperature Applications** While it handles moderate temperatures, extreme heat could cause the plug to expand or deform, compromising the seal.

7. **Dependent on User Skill** Improper installation (e.g., not fully seating the plug) can lead to leaks, so training or experience is beneficial.

8. **May Not Meet Industry Standards for Critical Systems** In aerospace, automotive, or high-stakes industrial applications, welded or threaded plugs are often preferred for reliability.

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The **Curtiss-Wright P2-660-H Pop-a-Plug** is a practical, cost-effective solution for **temporary repairs, maintenance, or low-to-moderate pressure applications** where welding is impractical. It excels in scenarios requiring **quick, tool-free installation without permanent modification** to the tubing. However, it is **not a long-term or high-pressure solution** and may not meet the stringent requirements of critical systems.

For **one-time fixes, field repairs, or non-critical applications**, this plug is a solid choice. For **permanent, high-pressure, or high-reliability systems**, traditional methods like welding or threading should be considered instead.

- You need a **quick, temporary seal** for hydraulic, pneumatic, or general mechanical tubing.

- You are working in a **field environment** where welding tools are unavailable.

- The application involves **moderate pressure and non-critical systems**.

- You want to **avoid permanent modifications** to the original tubing.

- You require a **permanent, high-pressure solution** (e.g., automotive exhaust, high-pressure hydraulic lines).

- The system is **subject to extreme vibration or cyclic loading**.

- You are working in **high-temperature or corrosive environments** where the plug material may degrade.

- Industry standards or safety regulations **require welded or threaded plugs**.

For most **general maintenance or non-critical applications**, this plug is a **good, affordable option**. For **critical or permanent installations**, consult a professional or use a more robust sealing method.

Details:

Valve Bodies and Manifolds. Circuit Breakers. Rotary Lobe Blowers. Knife Gate Valves.

part #: p2660 prices

• $10.00-$53.95

specifications indheatexchanger:

• brand: Curtiss-wright
• mpn: P2-660-h
• part type: Plug Tube
• model line: Pop-a-plug
• reference sku: 1770676

general indheatexchanger:

• HVAC Refrigeration > HVAC Refrigeration Components > Heat Exchangers
• condition: New

seller indheatexchanger:

• city: Delta, Ohio
• rating: 100.0%
• # reviews: 129487

offer indheatexchanger:

• best offers: True
• availability: In Stock
• quantity: 5
• options: Ship-to-home
• sold: 0
• started: June 2, 2026

returns indheatexchanger:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted
• method: Money back

shipping indheatexchanger:

• transit: 4-4 Days
• type: Fixed
• service: Standard, Expedited, Overnight
• class: Standard, Expedited, One-day
• cost: $0.00

payments indheatexchanger:

• other
• wallet: Paypal
• credit card: Discover

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