- Connection Type: Threaded
- Finish: Black
- Material: Cast Iron
- Nominal Size: 1-1/4 in
- Pressure Class: 125 Lb
- Bolt Circle Diameter: 3-1/2
- Bolt Hole Size: 5/8
- Length Through Hub: 0.81
- Manufacturer: First Supply Approved
- Number of Bolt Holes: 4
- Outside Diameter: 4.62
- Series: 17TH1
- Thickness: 1/2 in
Companion Flange, Series: 17TH1, 1-1/4 in Nominal, 1/2 in Thickness, 3-1/2 in Bolt Circle, 4 Bolt Holes, 5/8 in, Threaded, 4.62 in Outside Dia, 125 lb, 0.81 in Length Through Hub, Cast Iron, Black