Milton 1816BK ½″ MNPT G‑Style Air Coupler

Milton 1816BK ½″ MNPT G‑Style Air Coupler is the ultimate high-capacity pneumatic fitting designed for professional air systems that demand maximum airflow. With a ½″ MNPT connection and a G‑Style profile, this Milton 1816BK ½″ MNPT G‑Style Air Coupler supports up to 99 SCFM airflow and is rated for 300 psi operating pressure—making it perfect for powering heavy-duty air tools such as sanders, grinders, large impact wrenches, and pneumatic reels.

Designed with a steel body plated to resist corrosion, the Milton 1816BK ½″ MNPT G‑Style Air Coupler also features durable Buna‑N seals that maintain airtight performance even at high pressures and temperatures up to 250 °F—typical work temperatures in compressed-air environments. The G‑Style design is recognized for offering the highest flow capacity in Milton’s range, compatible with over 60 SCFM systems and optimized for professional use.

Milton’s G‑Style fittings provide superior ergonomic utility in automotive, industrial, agricultural, and construction applications. The Milton 1816BK ½″ MNPT G‑Style Air Coupler features a push‑type steel socket body that ensures quick, secure hose connections. The ½″ MNPT thread secures tightly to manifolds, reels, or compressor outlets. Whether in mobile service vans, workshops, or fixed compressor setups, this coupler delivers optimal airflow and quick-change capability.

H2 Key Features

• ½″ MNPT connection for rear-mounted compressor ports or hose reels

• High‑flow G‑Style design handles 99 SCFM for heavy-duty tools

• 300 psi maximum pressure, suitable for industrial air circuits

• Steel construction with corrosion-resistant plating, rated to 250 °F

• Buna‑N seals for reliable performance under thermal and pressure cycles

• Made in USA, ensuring manufacturing quality and compatibility

H2 Technical Specifications

H2 Applications

The Milton 1816BK ½″ MNPT G‑Style Air Coupler is engineered for use in:

• High-flow pneumatic tools (impact wrenches, grinders)

• Compressor outlet and hose reel connections

• Automotive repair bays and shot-blasting systems

• Industrial plant air distribution

• Construction, farm equipment, and mobile service vehicles

H2 Installation & Maintenance

1. Apply PTFE tape to ½″ MNPT male threads and tighten snugly – do not overtighten.

2. Insert M‑Style or G‑Style plug until it locks with a push-type mechanism.

3. Verify seal integrity and test pressure before full use.

4. Clean periodically; replace seals if air leaks occur.

5. Replace if plating is compromised or coupling becomes stiff.

H2 Benefits

• Maximum airflow maintains high-performance tools

• Robust build withstands harsh shop and field conditions

• Efficient quick-connect speeds up tool changeovers

• Leak-resistant sealing conserves energy and air pressure

• Field proven reliability from Milton’s legacy brand

H2 Why Milton 1816BK?

Milton Industries invented the first push-to-connect air fittings in 1947. The Milton 1816BK ½″ MNPT G‑Style Air Coupler continues this tradition of innovation—delivering top-tier airflow, dependable durability, and professional-grade performance for all industrial air applications.