3/8 Inch Automotive Steel Coupler x 1/4 Inch Female NPT, PK 50

The INTERSTATE PNEUMATICS CA640-50K is a quick-connect coupler for connecting air or fluid hoses to compatible plugs or nipples without requiring tools (per the product design). It features a 3/8" body size and a 1/4" FNPT threaded connection, suitable for linking pneumatic tools, air compressors, and fluid lines. The coupler is constructed primarily of steel with a zinc-plated finish and includes stainless steel bearing components and a stainless steel spring. It uses a Buna-N (Nitrile) seal material for pressure sealing and has an operating temperature range of -40 to 212°F (as specified by the manufacturer). This product is made to the True-Flate Automotive interchange type.

Key Features:

• Connection type: Coupler x 1/4" Female National Pipe Thread (FNPT).
• Material: Steel body with zinc-plated finish.
• Bearings: Stainless steel components for moving parts.
• Seals: Buna-N (Nitrile) for fluid and pressure sealing.
• Included components: Stainless steel spring.
• Temperature range: -40 to 212°F.
• Interchange compatibility: True-Flate Automotive standard.
• Color: Black external appearance.