Stainless Steel Male Connector – 1/4" Tube OD x 1/8" Male NPT

The SMC 4-2N is a precision-machined male connector designed for 1/4" tubing and 1/8" Male NPT ports. Built from 316 stainless steel, it offers corrosion resistance and long-term performance in hygienic and industrial fluid systems where clean routing and compact design are essential.

Ideal for Clean-in-Place (CIP) instrumentation, sanitary piping, and high-purity OEM skids, this fitting delivers reliable sealing in food-grade, pharmaceutical, and gas distribution environments. Its compact profile supports tight-space installations while maintaining durability under thermal and mechanical stress.

Engineers rely on the SMC 4-2N for high-cycle performance and seamless integration with hygienic valves and other instrumentation components. Whether you’re upgrading a sanitary system or building a clean gas or liquid transfer line, this connector offers consistency, compliance, and confidence.

Key Benefits

• Seal: Tapered NPT thread and compression tube end deliver leak-tight performance
• Durability: Handles vibration, pressure cycling, and frequent CIP operations
• Maintenance: Reusable and easy to install in compact layouts
• Compatibility: Fits standard 1/4" tubing and 1/8" NPT system connections
• Material: 316 stainless steel supports cleanroom and high-purity environments

Typical Applications

• Clean-in-Place (CIP) instrumentation
• Hygienic valve assemblies
• Original Equipment Manufacturer (OEM) skids
• Gas distribution systems
• Sanitary piping and high-purity fluid routing

Looking for a Swagelok® SS-400-1-2 alternative? The SMC 4-2N delivers compact, sanitary-grade performance that meets the demands of regulated fluid control systems.