Milton S-615 Male Quick Connect Plug

Milton S-615 Male Quick Connect Plug is a high-quality steel-bodied pneumatic fitting designed to provide secure and efficient connections for industrial air systems. Built for durability and performance, the Milton S-615 Male Quick Connect Plug delivers reliable service under demanding conditions.

Crafted with precision machining, the Milton S-615 Male Quick Connect Plug features a 1/4″ NPT male threaded end and an M-style plug design, ensuring compatibility with a wide range of Milton couplers. Rated at 300 psi and capable of handling airflow up to 40 SCFM, it supports high-demand pneumatic tools including grinders, impact wrenches, and spray guns.

H2 Key Features

• Steel construction with protective plating for durability

• 1/4″ male NPT threads and M‑style quick-connect design

• Rated for 300 psi and 40 SCFM airflow

• Precision machined sealing surfaces minimize air leaks

• Compatible with Milton and aftermarket M‑style couplers

• Resistant to corrosion and daily wear and tear

H2 Technical Specifications

H2 Applications

The Milton S-615 Male Quick Connect Plug is perfectly suited for professional and industrial settings. Use it with air compressors, pneumatic tools, shop air lines, and maintenance systems. It is indispensable in varied fields—automotive repair, manufacturing, construction, and industrial workshops—that require fast and easy tool changes without sacrificing airflow or reliability.

H2 Installation & Maintenance

1. Apply thread sealant or PTFE tape to the male NPT threads for leak-free installation.

2. Hand-tighten the plug into a compatible female thread, then secure with a wrench; avoid overtightening.

3. Connect the plug to an M-style coupler – push fully until engaged with a locking click.

4. For disconnection, firmly pull back the coupler collar.

5. Inspect seals regularly; replace the plug if worn or leaking.

6. Clean with a dry cloth; avoid solvents that can degrade Buna-N seals.

H2 Reasons to Buy

• Reliable pneumatic performance at high pressures

• Steel body design stands up to heavy-duty use

• Excellent compatibility with Milton and third-party systems

• Secure sealing minimizes air loss and downtime

• Backed by Milton’s reputation for industrial quality

• Cost-effective durability for professional tool users