- Threaded plugs for flat face O-ring fittings are made of high-density polyethylene and are ideal for keeping moisture and debris from threaded ports.
- Tubing OD threaded plugs will seal low pressure with light finger tightening.
| Type | Plug |
| Style | Threaded |
| Size | 9/16" - 18 |
| Material | Plastic |
| Tube O.D. | 1/4" |
| Color | Red |
| Dash Size | 4 |
