What air tools is this fitting compatible with? A: This 1/4" FNPT air plug fitting works with most pneumatic tools including impact wrenches, spray guns, nail guns, and air ratchets that use standard A-style quick connect systems. The push-type sleeve release provides secure connections for both home workshop and professional applications.

Q: What air tools is this fitting compatible with? This 1/4" FNPT air plug fitting works with most pneumatic tools including impact wrenches, spray guns, nail guns, and air ratchets that use standard A-style quick connect systems. The push-type sleeve release provides secure connections for both home workshop and professional applications.

How does this compare to brass air fittings? A: Steel construction offers superior durability and pressure handling compared to brass, with better resistance to wear and damage in heavy-use applications while maintaining the same airflow performance. The case-hardened steel with rust-resistant plating extends service life significantly beyond standard brass fittings in industrial environments.

Q: How does this compare to brass air fittings? Steel construction offers superior durability and pressure handling compared to brass, with better resistance to wear and damage in heavy-use applications while maintaining the same airflow performance. The case-hardened steel with rust-resistant plating extends service life significantly beyond standard brass fittings in industrial environments.

Will this fitting work with my air compressor hose? A: This fitting connects to any air hose with 1/4" FNPT threading, the standard size for most home and professional compressor systems. A-style design ensures compatibility with Milton couplers and major brands including Campbell Hausfeld, Porter Cable, and Craftsman equipment.

Q: Will this fitting work with my air compressor hose? This fitting connects to any air hose with 1/4" FNPT threading, the standard size for most home and professional compressor systems. A-style design ensures compatibility with Milton couplers and major brands including Campbell Hausfeld, Porter Cable, and Craftsman equipment.

MILTON MIL-778 A-Style Air Plug Fitting, 1/4" FNPT, 300 PSI

Milton

MILTON MIL-778 A-Style Air Plug Fitting, 1/4" FNPT, 300 PSI

Q: Can this handle 300 PSI continuously without leaking? A: Yes, the case-hardened steel construction and precision 1/4" FNPT threading are specifically designed to maintain leak-free connections at the full 300 PSI maximum rating under continuous operation. The rust-resistant plating and quality manufacturing ensure reliable sealing even after repeated connections and disconnections in demanding work environments.

Q: Can this handle 300 PSI continuously without leaking? Yes, the case-hardened steel construction and precision 1/4" FNPT threading are specifically designed to maintain leak-free connections at the full 300 PSI maximum rating under continuous operation. The rust-resistant plating and quality manufacturing ensure reliable sealing even after repeated connections and disconnections in demanding work environments.

$1.60

Product variants

Steel Milton air plug fitting with threaded connector and push-type release sleeve

Professional Grade Air Plug Fitting - Milton A-Style 1/4" FNPT (MIL-778)

Heavy-Duty Steel Construction for High-Pressure Pneumatic Systems

The Milton MIL-778 delivers 300 PSI performance with 34 SCFM airflow capacity. Case-hardened steel construction with rust-resistant plating ensures reliable connections for air tools and compressors.

Key Benefits & Features

Maximum Durability - Case-hardened steel with rust-resistant plating withstands heavy industrial use up to 300 PSI.

Optimal Airflow - 1/4" flow size delivers 34 SCFM capacity for consistent pneumatic tool performance.

Universal Compatibility - 1/4" FNPT threading connects to most air systems.

Perfect Applications

Ideal for professionals and DIY enthusiasts working with:

Air compressor connections and quick-disconnect systems.
Pneumatic tools including impact wrenches, air ratchets, and spray guns.
Industrial air lines in manufacturing and assembly operations.
Automotive service applications requiring reliable air connections.
Construction site pneumatic equipment and portable compressors.

Technical Specifications

Specifications
Specification	Value
Thread Size	1/4" FNPT (Female National Pipe Thread)
Style	A-Style Quick Connect Plug
Maximum Pressure	300 PSI
Airflow Capacity	34 SCFM (Standard Cubic Feet per Minute)
Maximum Temperature	250°F
Material	Case-Hardened Steel with Rust-Resistant Plating
Dimensions	1.5" Length x 0.63" Diameter
Release Type	Push-Type Sleeve Release
Compatible Part Numbers	53961, 778, MIL778, 54462, A918N4F, CP38, 2609

Get Professional Air Connections

Reliable 300 PSI performance with leak-free steel construction.

Order your Milton air plug fitting today.

Frequently Asked Questions

What air tools is this fitting compatible with?

Works with pneumatic tools including impact wrenches, spray guns, nail guns, and air ratchets using A-style quick connect systems. Push-type sleeve release provides secure connections for workshop and professional applications.

How does this compare to brass air fittings?

Steel construction offers superior durability and pressure handling compared to brass, with better resistance to wear in heavy-use applications. The case-hardened steel with rust-resistant plating extends service life significantly beyond standard brass fittings.

Can this handle 300 PSI continuously without leaking?

Yes, the case-hardened steel construction and precision 1/4" FNPT threading are specifically designed to maintain leak-free connections at the full 300 PSI maximum rating under continuous operation. The rust-resistant plating and quality manufacturing ensure reliable sealing even after repeated connections and disconnections in demanding work environments.

Will this fitting work with my air compressor hose?

This fitting connects to any air hose or coupler with 1/4" FNPT threading, which is the standard size for most home and professional air compressor systems. The A-style design ensures compatibility with Milton couplers and most other major brands including Campbell Hausfeld, Porter Cable, and Craftsman pneumatic equipment.

About the Brand

Milton

View All Milton Products

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