40657 Loc-Line 1/4″ NPT Female Pipe Couplings, pack of 4

About this product

The LOC-LINE 40657 1/4″ NPT Female Pipe Couplings – Pack of 4 are designed to adapt compatible threaded male fittings to the LOC-LINE modular hose system. These couplings provide a convenient connection between threaded components and flexible hose assemblies for precise fluid delivery.

Made from durable acetal copolymer, these fittings are suitable for compatible coolant, water, and other fluid-handling applications. Their compact design makes them useful for CNC machining, industrial equipment, and custom fluid-routing setups.

Features:

• Connects compatible 1/4-inch male NPT threaded fittings to LOC-LINE components
• Female threaded connection for convenient installation
• Durable acetal copolymer construction
• Modular design supports flexible fluid-delivery configurations
• Suitable for compatible coolant and water applications
• Pack of four couplings for installation, maintenance, or replacement

Specifications:

• Brand: LOC-LINE / TEFEN
• Model: 40657
• Product type: Female pipe coupling
• Thread size: 1/4-inch NPT female
• LOC-LINE system size: 1/4-inch
• Material: Acetal copolymer
• Quantity: 4 couplings per pack
• Maximum operating temperature: 170°F (77°C)
• Recommended maximum line pressure: 50 PSI for the 1/4-inch system without element clamps; up to 110 PSI with element clamps, subject to application conditions
• Application: Coolant delivery, fluid routing, and compatible threaded connections
• Country of manufacture: Verify with the supplier; LOC-LINE’s catalog identifies TEFEN threaded couplings as made in Israel