Mpd-055 -28 -ol May 2026

Another strong possibility: MPD stands for Manufacturing Process Directive for a swivel nut or tube fitting used in high-pressure systems (3,000–6,000 psi). The “-28” would match a common UNF thread size: 9/16-18 UNF (where 28 is the TPI sometimes encoded inversely). But more logically, “28” here could mean size 28 in a manufacturer’s series (e.g., Parker, Eaton, Aeroquip).

The OL suffix in fluid systems often means:

MPD-055 -28 -OL appears to be a model/part identifier. I’ll assume you want a complete technical and user guide covering identification, specifications, installation, operation, maintenance, troubleshooting, parts, and safety. If this identifier refers to a different product type (electronics, mechanical actuator, PCB module, or optical unit), say so and I will adapt. MPD-055 -28 -OL

Firms like Aircraft Spruce, SkyGeek, Pegasus Auto Racing Supplies, or Applied Industrial Technologies often maintain cross-references for orphan part numbers. Email their technical support with the code and any photos.

Many large manufacturers create custom part numbers with this exact pattern – e.g., MPD = Maintenance, Repair & Operations (MRO) – Plumbing Device. “055” = valve type, “28” = size in mm, “OL” = O-ring lubricated. Firms like Aircraft Spruce , SkyGeek , Pegasus

Introduction

In a market flooded with fleeting trends and mass-produced generics, finding a piece that offers both distinct character and lasting quality is a rare victory. Today, we are turning the spotlight on a model that has been quietly generating buzz among enthusiasts: MPD-055-28-OL. Electrical:

Whether you stumbled across this code in a catalog or saw it featured in a recent collection, you might be wondering: What makes this specific model worth the investment?

In this deep dive, we are breaking down the design, the aesthetics, and the versatility of MPD-055-28-OL to see if it truly lives up to the hype.