A heavy-duty fluid transfer quick coupling designed for higher pressure and superior flow performance compared to Aeroquip FD56 (5600) series and 6600 series, with half-for-half interchangeability. Features a robust detent ball latch mechanism for secure and reliable connections. The unique poppet design eliminates extrusion space, reducing seal wear under extreme pressure conditions. Includes stainless steel valve springs and retainer rings for enhanced durability. This is a Type A quick coupling with a 3/8 inch (10 mm) body size. Both male and female ends have 3/8 inch NPT female threads. Interchangeable with all standard Type A couplings, regardless of manufacturer, including models from HA15000, 6600, Aeroquip FD56, Fast NV, and Safeway S56 series. Commonly used in general industrial equipment, hydraulic tools, and mobile hydraulic systems. Key features: - Ball lock mechanism for quick and secure connect/disconnect - Poppet valve with O-ring seal to prevent leakage and ensure stability - Zinc-plated finish for corrosion resistance - 3/8 inch NPT female thread (Note: NPT refers to National Pipe Thread standard; the actual inner diameter at the thread edge is approximately 0.58 inch) Specifications: - Size: 3/8 inch NPT - Connector Type: Plug - Thread Type: NPT - Color: Silver - Material: Alloy steel Interchangeable with: - HA15000 Series: Female Socket HA1522100, Male Plug HA1522200 - 6600 Series: Female Socket 6601-6-6, Male Plug 6602-6-6 - Aeroquip FD56 Series: Female Socket FD56-1064-06-06, Male Plug FD56-1062-06-06 - Fast NV Series: Female Socket NV 38 NPT F, Male Plug NV 38 NPT M - Safeway S56 Series: Female Socket S565-3, Male Plug S561-3 Package Includes: 1 x Hydraulic Quick Connect Set Note: The package includes only the items listed above. Other accessories are not included. Due to lighting and display differences, actual product color may vary slightly from images. Measurement tolerance: +/- 1–3 cm.