Non-retained Un-Plated (UP)
| Face SealSize | Dimensions in mm | Dawsons-TechPart No. | |
| E | Tx | ||
| 1/4 | 5.6 | 11.9 | GFSGNR-4UP |
| 1/2 | 11.2 | 19.8 | GFSGNR-8UP |
| 5/8 | 14.7 | 23.1 | GFSGNR-10UP |
| 3/4 | 16.8 | 29.0 | GFSGNR-12UP |
| 1 | 22.6 | 35.6 | GFSGNR-16UP |
Gaskets
| Face SealSize | Dimensions in mm | Dawsons-TechPart No. | |
| E | Tx | ||
| 1/4 | 5.6 | 11.9 | GFSGNR-4UP |
| 1/2 | 11.2 | 19.8 | GFSGNR-8UP |
| 5/8 | 14.7 | 23.1 | GFSGNR-10UP |
| 3/4 | 16.8 | 29.0 | GFSGNR-12UP |
| 1 | 22.6 | 35.6 | GFSGNR-16UP |