Silver steel air compressor plug with female NPT threading and M-style quick connect design

Air Compressor Plug - Professional Grade Connection (MIL-728, 1/4" Female NPT)

M-Style Quick Connect for Pneumatic Tools and Equipment

The MILTON MIL-728 is a professional-grade air compressor plug engineered for reliable pneumatic connections in workshop and industrial settings. This 1/4" female NPT fitting delivers 40 SCFM airflow capacity and withstands up to 300 PSI maximum pressure, making it the go-to choice for serious air tool users who demand consistent performance and leak-free connections.

Key Features and Benefits

Industrial-Strength Construction - Built from case-hardened steel with rust-resistant plating that outlasts brass alternatives and maintains peak performance in demanding professional environments.
Maximum Airflow Efficiency - Features 1/4" basic flow size delivering 40 SCFM capacity, ensuring your pneumatic tools receive optimal air volume for consistent power output.
Universal M-Style Compatibility - Works seamlessly with all M-Style couplers that meet military specification MIL-C-4109, providing reliable connections across different tool brands and manufacturers.

Perfect Applications

Ideal when you need professional-grade pneumatic connections for:

  • Air impact wrenches and ratchets.
  • Pneumatic nail guns and staplers.
  • Air-powered sanders and grinders.
  • Shop air compressor systems.
  • Industrial pneumatic equipment.

Technical Specifications

MILTON MIL-728 Air Plug Specifications
Specification Value
Thread Size 1/4" Female NPT
Style M-Style Quick Connect
Material Case-Hardened Steel
Flow Size 1/4" Basic
Airflow Capacity 40 SCFM
Maximum Pressure 300 PSI (20.7 bar)
Maximum Temperature 250°F (121°C)
Dimensions 1.5 x 0.63 x 0.63 in
Weight 0.103 lbs
Size/Quantity Single plug
Compatibility MIL-C-4109 Standard

Upgrade Your Air Tool Setup with Professional-Grade Connection

Don't let inferior fittings slow down your productivity. This MILTON M-Style air compressor plug delivers the reliability and performance that professional mechanics and serious DIYers depend on every day.

Add to cart now and experience leak-free, high-flow pneumatic connections.

Frequently Asked Questions

Q: What makes this different from standard brass air plugs? A: This steel construction offers superior durability and corrosion resistance compared to brass alternatives. The case-hardened steel maintains consistent airflow performance under repeated use while resisting wear from frequent connections, making it ideal for professional workshop environments where reliability is essential.
What makes this different from standard brass air plugs?

This steel construction offers superior durability and corrosion resistance compared to brass alternatives. The case-hardened steel maintains consistent airflow performance under repeated use while resisting wear from frequent connections, making it ideal for professional workshop environments.

Q: Will this work with my existing air hose couplers? A: Yes, this M-Style plug meets military specification MIL-C-4109, ensuring broad compatibility across different tool manufacturers. The standardized design connects securely with Milton couplers and compatible models from other brands, making it perfect for mixed-brand pneumatic setups in any workshop configuration.
Will this work with my existing air hose couplers?

Yes, this M-Style plug meets military specification MIL-C-4109, ensuring broad compatibility across different tool manufacturers. The standardized design connects securely with Milton couplers and compatible models from other brands, making it perfect for mixed-brand pneumatic setups.

Q: What thread type does this air compressor plug use? A: This features 1/4 inch Female NPT threading, the standard connection for most pneumatic tools and air compressor accessories. The tapered NPT design creates a secure, leak-resistant seal when properly tightened to male fittings on tools and hoses throughout your compressed air system.
What thread type does this air compressor plug use?

This features 1/4 inch Female NPT threading, the standard connection for most pneumatic tools and air compressor accessories. The tapered NPT design creates a secure, leak-resistant seal when properly tightened to male fittings on tools and hoses.

Q: How does the 40 SCFM flow rate compare to other plugs? A: The 40 SCFM capacity easily handles impact wrenches, nail guns, air sanders, and spray guns. This flow rate matches or exceeds typical pneumatic tool requirements, making it suitable for professional-grade equipment that demands consistent air delivery for optimal performance and productivity.
How does the 40 SCFM flow rate compare to other plugs?

The 40 SCFM capacity easily handles impact wrenches, nail guns, air sanders, and spray guns. This flow rate matches or exceeds typical pneumatic tool requirements, making it suitable for professional-grade equipment that demands consistent air delivery.

About the Brand

Milton

View All Milton Products

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