MILTON S-728 Fnpt Plug Steel Female Box 030937400277 1/4

( Brand: Milton ), ( Manufacturer Part Number: S-728 ), ( Part Type: Plug Box ), ( Color: Box Of 2 ), ( Itemheight: 15 ), ( Itemlength: 38 ), ( Itemweight: 45 ), ( Packageheight: 29 ), ( Packagelength: 117 ), ( Packageweight: 50 ), ( Packagewidth: 44 ), ( UPC: 030937400277 )

Review MILTON Industries 1/4 Inch Fnpt Plug Steel Female Box Of

The **Milton S-728 1/4 FNPT Plug Steel Female Box** is a robust, high-quality electrical and plumbing junction device designed for durability and versatility in both residential and commercial applications. Crafted from heavy-duty steel, this box features a sturdy, corrosion-resistant construction that ensures long-lasting performance even in demanding environments. Its **1/4-inch Female National Pipe Thread (FNPT)** connection allows for secure, leak-proof fittings with compatible pipes, valves, or fixtures, making it ideal for gas, water, or air line installations where precision and reliability are critical. The box s compact yet functional design includes a **threaded female plug**, which simplifies connections by eliminating the need for additional adapters or couplings, while its steel body provides excellent structural integrity to withstand mechanical stress, vibration, or temperature fluctuations. Whether used in HVAC systems, industrial piping networks, or plumbing setups, this box offers a seamless integration point for branching or terminating lines, ensuring efficient flow and minimal maintenance. Its clean, unobtrusive appearance also makes it suitable for applications where aesthetics matter, such as in clean-room environments or behind paneling. Built to meet stringent industry standards, the Milton S-728 is a dependable choice for professionals seeking a no-nonsense, high-performance solution for their piping needs.

### **Pros and Cons of buying a Milton S-728 1/4 FNPT Plug Steel Female Box**

1. **Durability and Strength** Made from steel, this box is robust and designed to withstand high-pressure applications, making it suitable for industrial, automotive, or hydraulic systems where reliability is critical.

2. **Standardized Threading** The 1/4 FNPT (Female National Pipe Thread) ensures compatibility with a wide range of fittings, adapters, and hoses, reducing the need for additional conversion parts.

3. **Corrosion Resistance** Steel construction provides better resistance to corrosion compared to some plastic alternatives, especially in wet or outdoor environments.

4. **Versatility** Can be used in various applications, including fuel lines, hydraulic systems, compressed air, and other fluid transfer systems where a secure, leak-proof connection is needed.

5. **Easy Installation** The threaded design allows for straightforward installation without requiring specialized tools beyond a wrench or socket set.

6. **High-Pressure Rating** Suitable for systems operating under moderate to high pressure, depending on the specific application and reinforcement.

7. **Compatibility with O-rings** Often used with O-rings or gaskets for enhanced sealing, improving reliability in dynamic or vibrating environments.

1. **Weight** Steel components are heavier than plastic or aluminum alternatives, which may be a consideration in applications where weight reduction is important (e.g., automotive or portable systems).

2. **Potential for Thread Damage** Over-tightening or improper handling can strip threads, especially if the box is reused or subjected to repeated connections/disconnections.

3. **Cost** Generally more expensive than plastic or brass alternatives, though the price may be justified by its durability and performance in demanding applications.

4. **Thread Lubrication Required** To prevent galling or damage during assembly, thread lubricant (e.g., anti-seize compound) is recommended, adding an extra step to installation.

5. **Limited Color Options** Typically available in standard finishes (e.g., black or natural steel), which may not suit aesthetic preferences in non-industrial applications.

6. **Potential for Rust** While steel resists corrosion better than some materials, it can still rust over time if exposed to moisture or harsh chemicals without proper protection (e.g., coating or regular maintenance).

7. **Not Ideal for Low-Pressure or Non-Critical Systems** For applications with very low pressure or where cost is the primary concern, a cheaper plastic or brass alternative may suffice.

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The **Milton S-728 1/4 FNPT Plug Steel Female Box** is an excellent choice for applications requiring **durability, high-pressure resistance, and compatibility with standard FNPT fittings**. Its steel construction ensures longevity and reliability in demanding environments, such as automotive fuel systems, hydraulic setups, or industrial fluid transfer. However, its **weight, higher cost, and maintenance requirements** (e.g., thread lubrication, potential rust prevention) may make it less ideal for lightweight, low-pressure, or cost-sensitive applications.

If your use case involves **high-stress, high-pressure, or long-term reliability needs**, this box is a strong recommendation. For **light-duty, low-cost, or aesthetic-sensitive applications**, consider alternatives like brass or plastic fittings.

- You need a **durable, high-pressure-rated** connection for industrial, automotive, or hydraulic systems.

- Compatibility with **FNPT threading** is a priority.

- You prioritize **long-term performance** over weight or cost.

- You require a **lightweight or low-cost** solution.

- Your application involves **very low pressure** or non-critical fluid transfer.

- You prefer **easier installation** without the need for thread lubrication or maintenance.

Details:

Maximum inlet pressure of 300 pounds per square inch. 40 standard cubic feet per minute. 1/4 female national pipe thread. Milton Industries S-728 1/4 FNPT M Plug, Steel - 2 Female, Box of 2.

part #: s728 prices

• $6.26-$10.99

specifications fishpumpswater:

• brand: Milton
• mpn: S-728
• part type: Plug Box
• color: Box Of 2
• itemheight: 15
• itemlength: 38
• itemweight: 45
• packageheight: 29
• packagelength: 117
• packageweight: 50
• packagewidth: 44
• upc: 030937400277

offer fishpumpswater:

• availability: In Stock
• started: April 9, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1

seller fishpumpswater:

• city: Denver, Colorado
• # reviews: 587
• rating: 99.4%

returns fishpumpswater:

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

payments fishpumpswater:

• credit card: Visa
• wallet: Google-pay
• other

shipping fishpumpswater:

• type: Fixed
• service: Standard
• transit: 4-8 Days
• cost: $0.00
• class: Standard

general fishpumpswater:

• condition: New
• Pet Supplies > Fish Aquariums > Pumps Water

Milton S-728 Is Similar To:

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