MILTON MIL-777 A-Style Air Plug Fitting, 1/4" MNPT, 300 PSI

MILTON MIL-777 A-Style Air Plug Fitting, 1/4" MNPT, 300 PSI

Q: What air compressor systems does this fitting work with? A: This 1/4" MNPT air plug fitting works with all standard air compressors and pneumatic systems that accept male national pipe thread connections. Compatible with shop compressors, portable units, and industrial systems from major brands. The universal threading ensures secure connections across different manufacturers.

Q: What air compressor systems does this fitting work with? This 1/4" MNPT air plug fitting works with all standard air compressors and pneumatic systems that accept male national pipe thread connections. Compatible with shop compressors, portable units, and industrial systems from major brands. The universal threading ensures secure connections across different manufacturers.

Q: How does this compare to basic air fittings? A: This MILTON fitting features case-hardened steel construction versus basic brass or aluminum, providing superior durability and 300 PSI pressure rating for heavy-duty use. The rust-resistant plating extends service life significantly compared to standard fittings. Professional-grade Buna-N seals prevent leaks better than basic rubber gaskets, making it ideal for commercial applications requiring consistent performance.

Q: How does this compare to basic air fittings? This MILTON fitting features case-hardened steel construction versus basic brass or aluminum, providing superior durability and 300 PSI pressure rating for heavy-duty use. The rust-resistant plating extends service life significantly compared to standard fittings. Professional-grade Buna-N seals prevent leaks better than basic rubber gaskets, making it ideal for commercial applications requiring consistent performance.

Q: What tools can I connect with this air plug fitting? A: This fitting connects impact wrenches, nail guns, spray guns, tire inflators, and other pneumatic tools requiring up to 34 SCFM airflow capacity. Perfect for automotive tools like air ratchets and sanders, construction equipment including framing nailers and staplers, plus painting equipment such as HVLP spray guns. The high flow rate supports professional-grade tools that demand consistent air pressure.

Q: What tools can I connect with this air plug fitting? This fitting connects impact wrenches, nail guns, spray guns, tire inflators, and other pneumatic tools requiring up to 34 SCFM airflow capacity. Perfect for automotive tools like air ratchets and sanders, construction equipment including framing nailers and staplers, plus painting equipment such as HVLP spray guns. The high flow rate supports professional-grade tools that demand consistent air pressure.

Q: Will this fitting leak under high pressure? A: No, the A-Style design with Buna-N seals creates a secure, leak-free connection that maintains consistent airflow even at maximum 300 PSI pressure. The precision-machined steel components ensure proper mating surfaces, while the spring-loaded mechanism provides constant sealing force. This professional-grade construction prevents pressure drops and air waste that commonly occur with cheaper fittings under demanding conditions.

Q: Will this fitting leak under high pressure? No, the A-Style design with Buna-N seals creates a secure, leak-free connection that maintains consistent airflow even at maximum 300 PSI pressure. The precision-machined steel components ensure proper mating surfaces, while the spring-loaded mechanism provides constant sealing force. This professional-grade construction prevents pressure drops and air waste that commonly occur with cheaper fittings under demanding conditions.

Q: Are there compatible replacement part numbers for this fitting? A: Yes, this fitting is interchangeable with part numbers MIL777, 53960, 54461, 914N, CP37, 2608, 90-618, 13329, 777, 3529, 8891, 12-324, A2C, and NI-502. This broad compatibility means you can replace existing fittings from multiple manufacturers without system modifications. The standardized dimensions follow military specification MIL-C-4109 for universal interchangeability across different brands and applications.

Q: Are there compatible replacement part numbers for this fitting? Yes, this fitting is interchangeable with part numbers MIL777, 53960, 54461, 914N, CP37, 2608, 90-618, 13329, 777, 3529, 8891, 12-324, A2C, and NI-502. This broad compatibility means you can replace existing fittings from multiple manufacturers without system modifications. The standardized dimensions follow military specification MIL-C-4109 for universal interchangeability across different brands and applications.

$1.56

Product variants

MILTON silver steel air plug fitting with male threaded connection

Professional Grade Connection - MILTON Air Plug Fitting (MIL-777, 1/4" MNPT)

Heavy-Duty Air Compressor Connector for Pneumatic Tools

The MILTON MIL-777 A-Style air plug fitting delivers 34 SCFM airflow capacity for high-demand pneumatic applications. This professional-grade air connector fitting features case-hardened steel construction with rust-resistant plating, ensuring reliable performance in demanding shop environments. The 1/4" male national pipe thread design provides universal compatibility with most air compressors and pneumatic systems. Sold as a single unit (1 plug) for individual replacement or new installations.

Key Features and Benefits

Maximum Durability - Case-hardened steel construction with rust-resistant plating withstands heavy industrial use and extends service life beyond standard fittings.

High-Pressure Performance - Rated for 300 PSI maximum working pressure with 34 SCFM flow rate, perfect for demanding pneumatic tools and air-powered equipment.

Universal Compatibility - 1/4" MNPT threading connects securely to all standard air compressors, hoses, and pneumatic systems following military specification MIL-C-4109.

Perfect Applications

Ideal for connecting air compressor plug fittings to:

Professional pneumatic tools (impact wrenches, nail guns, spray guns).
Automotive shop equipment and tire inflation systems.
Industrial air-powered machinery and production lines.
Commercial compressed air distribution networks.
Heavy-duty workshop and garage applications.

Technical Specifications

MILTON MIL-777 Air Plug Fitting Specifications
Specification	Details
Model Number	MIL-777
Size/Quantity	Single unit (1 plug)
Thread Type	1/4" MNPT (Male National Pipe Thread)
Maximum Pressure	300 PSI
Flow Rate	34 SCFM (Standard Cubic Feet per Minute)
Material	Case-hardened steel with rust-resistant plating
Connection Style	A-Style plug design
Compatibility	Universal air compressors and pneumatic systems

Get Professional-Grade Air Fitting Performance

Upgrade your pneumatic system with MILTON's trusted engineering. This male air plug fitting delivers consistent airflow for demanding applications.

Order your MILTON MIL-777 air plug fitting today.

Frequently Asked Questions

What air compressor systems does this fitting work with?

This 1/4" MNPT air plug fitting works with all standard air compressors and pneumatic systems that accept male national pipe thread connections. Compatible with shop compressors, portable units, and industrial systems from major brands. The universal threading ensures secure connections across different manufacturers.

How does this compare to basic air fittings?

This MILTON fitting features case-hardened steel construction versus basic brass or aluminum, providing superior durability and 300 PSI pressure rating for heavy-duty use. The rust-resistant plating extends service life significantly compared to standard fittings. Professional-grade Buna-N seals prevent leaks better than basic rubber gaskets, making it ideal for commercial applications requiring consistent performance.

What tools can I connect with this air plug fitting?

This fitting connects impact wrenches, nail guns, spray guns, tire inflators, and other pneumatic tools requiring up to 34 SCFM airflow capacity. Perfect for automotive tools like air ratchets and sanders, construction equipment including framing nailers and staplers, plus painting equipment such as HVLP spray guns. The high flow rate supports professional-grade tools that demand consistent air pressure.

Will this fitting leak under high pressure?

No, the A-Style design with Buna-N seals creates a secure, leak-free connection that maintains consistent airflow even at maximum 300 PSI pressure. The precision-machined steel components ensure proper mating surfaces, while the spring-loaded mechanism provides constant sealing force. This professional-grade construction prevents pressure drops and air waste that commonly occur with cheaper fittings under demanding conditions.

Are there compatible replacement part numbers for this fitting?

Yes, this fitting is interchangeable with part numbers MIL777, 53960, 54461, 914N, CP37, 2608, 90-618, 13329, 777, 3529, 8891, 12-324, A2C, and NI-502. This broad compatibility means you can replace existing fittings from multiple manufacturers without system modifications. The standardized dimensions follow military specification MIL-C-4109 for universal interchangeability across different brands and applications.

About the Brand

Milton

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