Parker PP-00331 Hydraulic Hose Mpt Fitting 5/16 in

Product Description

The PARKER PP-00331 is a male pipe thread (MPT) hydraulic hose fitting machined from steel. It connects a 5/16-inch hydraulic hose to a 1/4-18 NPT threaded port, creating a secure, pressure-rated junction in hydraulic plumbing circuits. This type of fitting is a routine component in fluid power assemblies across industrial, mobile, and stationary hydraulic systems. Licensed hydraulic technicians and mechanical contractors typically install this fitting as part of hose assembly fabrication or field repair work. Its steel construction provides the durability required for hydraulic service environments where pressure cycling and mechanical vibration are constant factors.

This fitting is suited for use in hydraulic hose assemblies where a 5/16-inch hose must terminate at a standard 1/4-18 NPT threaded port. Typical applications include mobile equipment hydraulics, industrial machinery, and fluid power distribution lines. It is sold in package quantities of 5, making it practical for service shops and field technicians who maintain multiple units or build hose assemblies in volume.

Key Features

• MPT (male pipe thread) fitting configuration for connection to female NPT ports
• Designed for 5/16-inch hydraulic hose inside diameter
• 1/4-18 NPT thread size for compatibility with standard threaded hydraulic ports
• Steel construction for strength and resistance to hydraulic service conditions
• Sold in a package quantity of 5 units per order

Compatibility

Designed as an OEM-style replacement or service fitting for hydraulic hose assemblies using 5/16-inch hose with 1/4-18 NPT threaded port connections.

Installation Notes

Installation should be performed by a qualified hydraulic technician or mechanical contractor familiar with fluid power systems. Depressurize and isolate the hydraulic circuit completely before disconnecting or installing any hose fitting. Apply appropriate thread sealant to NPT threads per system requirements and applicable codes. Do not overtighten steel fittings into aluminum or cast-iron ports, as this can cause thread damage or cracking.