Parker 10-3/8 F5OG-S Pipe Adapter 5000 Psi Zinc-plated Steel

Product Description

The PARKER 10-3/8 F5OG-S is a straight pipe adapter designed for high-pressure hydraulic and industrial fluid systems. It converts a 7/8-14 male straight thread O-ring (MSTO) connection to a 3/8-inch female NPTF port, providing a reliable leak-free transition between SAE straight-thread and tapered pipe thread fittings. Constructed from zinc-plated steel, the adapter is rated to 5,000 psi maximum working pressure. With a 1-inch hex and an overall length of 1.3125 inches, it is compact enough for tight plumbing runs. Licensed plumbers, hydraulic system technicians, and industrial maintenance mechanics install this fitting in fluid power and process piping applications.

This adapter is suited for use in mobile hydraulic equipment, industrial machinery, and stationary fluid power systems where an SAE straight-thread O-ring port must be connected to a female NPTF pipe thread. The straight configuration keeps the installation profile minimal. The zinc-plated steel construction offers basic corrosion resistance for general-duty environments. The adapter meets SAE standard 090156, making it appropriate for systems requiring that specification compliance. Package quantity is one piece per order.

Key Features

• 5,000 psi maximum working pressure rating for high-pressure hydraulic service
• Male straight thread O-ring x female NPTF connection type for leak-free sealing
• 7/8-14 male thread mating to 3/8-inch female NPTF port
• Zinc-plated steel construction for strength and general corrosion resistance
• 1-inch hex size for standard wrench installation
• Overall length of 1.3125 inches for compact plumbing configurations
• Meets SAE standard 090156

Compatibility

Designed as an OEM-style replacement or service fitting for industrial and mobile hydraulic systems requiring a male straight thread O-ring to female NPTF adapter rated at 5,000 psi.

Installation Notes

Installation should be performed by a qualified hydraulic technician or licensed pipefitter. Depressurize and isolate the hydraulic circuit fully before removing or installing any fitting. Apply appropriate thread sealant to the NPTF threads per system requirements; the O-ring side seals on the face and does not require sealant on the male threads. Do not overtighten — use the hex flats and a calibrated torque approach consistent with your system manufacturer guidelines.