Sealing Rings
How to Specify FEY Laminar Rings – Single Wound
![singlewound-dimensional1](https://www.fey-na.com/wp-content/uploads/singlewound-dimensional1.jpg)
FEY part numbers are a combination of the Series, Style, Bore/Shaft diameter (D), Radial section (RB), Ring thickness (RD), and Ring material. A special part number is assigned to ring sizes that have special features like coatings or surface finishes.
![specifysinglewound2](https://www.fey-na.com/wp-content/uploads/specifysinglewound2.jpeg)
The following is an example of a FEY Part Number:
![specifysinglewound3](https://www.fey-na.com/wp-content/uploads/specifysinglewound3.jpeg)