Milton Industries S-2200-9 Push-to-Connect Tube Fitting 1/4" MNPT x 3/8" OD (Pack of 5)

The Milton Industries S-2200-9 is a straight push-to-connect tube fitting designed for fast, reliable pneumatic air line connections in the garage, workshop, or industrial setting. Featuring 1/4" Male National Pipe Thread (MNPT) on one end and a 3/8" outside diameter push-to-connect port on the other, this fitting installs in seconds without gluing or special tools — simply push the tubing in to create a secure, airtight seal.

Constructed with a lightweight nylon body and a Buna-N seal for dependable air retention, these fittings are fully reusable. To release the tubing, simply press the sleeve inward and withdraw the line. The fitting swivels 360 degrees, making routing and alignment of air lines easy in tight spaces.

Key Features:

• Push-to-connect design — no gluing, crimping, or special tools required
• 1/4" MNPT (Male National Pipe Thread) connection
• 3/8" OD tubing compatibility
• Maximum working pressure: 150 PSI
• Installation temperature range: 32°F to 140°F
• Buna-N seal for reliable air retention
• 360-degree swivel for flexible air line routing
• Reusable — release tubing by pressing the collar sleeve
• Compatible with nylon, polyurethane, low-density, and high-density polyethylene tubing
• Lightweight nylon construction
• Sold as a pack of 5

Milton Industries push-to-connect fittings are trusted across automotive, fleet maintenance, and construction industries for their durability and ease of use. The S-2200-9 delivers maximum airflow and faster connections compared to traditional compression-style fittings, making it an ideal upgrade for any compressed air system.