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The PARKER PP-00003 is a straight male rigid fitting designed for hydraulic hose assemblies. It accepts 3/8 inch (0.375 inch) ID hose, specifically the Parker 271 Hose series, and features a 1/2-14 NPTF threaded connection for leak-resistant engagement under pressure. Constructed from brass, this fitting provides corrosion resistance in hydraulic fluid environments. The straight configuration keeps routing simple in space-constrained installations. Overall length is 2.05 inches (52 mm). The Series 25 designation indicates it belongs to a standardized Parker fitting family used across a range of hydraulic assemblies. Installation is typically performed by hydraulic system technicians and fluid power specialists.
This fitting is suited for hydraulic hose assembly and repair work in industrial and mobile hydraulic systems. It is specifically rated for use with Parker 271 Hose and delivers a reliable threaded interface in low-to-medium pressure hydraulic circuits. The NPTF thread form provides a mechanical seal at the thread itself, reducing dependence on sealant tape in many applications. This type of fitting is commonly found in manufacturing equipment, mobile machinery, and industrial fluid power circuits where rigid, straight-line hose terminations are required.
Designed for use with Parker 271 Hose, 3/8 inch (Hose Size 6) inside diameter. Threaded connection is 1/2-14 NPTF.
Installation should be performed by a qualified hydraulic technician or fluid power specialist. Depressurize and de-energize the hydraulic system fully before disassembling any hose or fitting. NPTF threads are designed as dry-seal connections, but verify your system requirements before applying thread sealant. Inspect hose end and fitting for damage before assembly, and confirm thread engagement is complete to prevent leaks under operating pressure.
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