Parker 10-1/2 F5OF-S Pipe Adapter 7/8-14 X 1/2 Nptf

Product Description

The PARKER 10-1/2 F5OF-S is a straight hydraulic pipe adapter designed to connect male straight thread O-ring (ORFS-style) ports to male NPTF pipe threads. Manufactured from zinc-plated steel, it provides corrosion resistance in demanding industrial and fluid power environments. The adapter carries a maximum working pressure of 5,000 psi and a pressure rating of 6,000 psi, making it suitable for high-pressure hydraulic circuits. It measures 1.5625 inches in overall length with a 1-inch hex size for standard wrench engagement. Installation is handled by licensed pipefitters, hydraulic technicians, and industrial mechanics working on fluid power assemblies.

This adapter is used in industrial hydraulic systems where a straight-thread O-ring face seal port must be transitioned to a male NPTF pipe thread connection. Common applications include hydraulic power units, manifolds, cylinders, and plumbing assemblies in stationary and mobile equipment. The straight fitting shape keeps routing simple in tight plumbing configurations. It is sold individually and suited for both OEM assembly and field service work.

Key Features

• Male straight thread O-ring x male NPTF connection type for leak-resistant hydraulic transitions
• Maximum working pressure of 5,000 psi with a pressure rating of 6,000 psi
• Zinc-plated steel construction for corrosion resistance in industrial environments
• 1-inch hex size allows engagement with standard open-end or combination wrenches
• Straight fitting shape simplifies plumbing layout in space-constrained assemblies
• Compact overall length of 1.5625 inches suits high-density manifold and port configurations

Compatibility

Designed as an OEM-style replacement or service fitting for industrial hydraulic systems requiring a 7/8-14 male straight thread O-ring to 1/2 inch male NPTF pipe thread transition at pressures up to 5,000 psi.

Installation Notes

Installation should be performed by a qualified hydraulic technician or licensed pipefitter. Depressurize and isolate the hydraulic circuit completely before removing or installing any fittings. Apply appropriate thread sealant to the NPTF side only — the straight thread O-ring side seals via the O-ring face and does not require tape or compound. Torque to the fitting manufacturer's published specification and verify for leaks before returning the system to service.