Back-Up Flange, 1 in Nominal, 1.38 in ID, 1/2 in Thickness, 3-1/8 in Diameter Bolt Circle, 4 Bolt Holes, 0.622 in Bolt Hole, 4-1/4 in OD, Ductile Iron, Domestic
| Bolt Circle Diameter | : | 3-1/8 in |
| Bolt Hole Size | : | 5/8 in |
| Bolt Size | : | 1/2 in |
| Domestic/Import | : | Import |
| End Style | : | Floating |
| Finish | : | Black |
| Hub Diameter | : | 1.94 in |
| Inside Diameter | : | 1.38 in |
| Item Type | : | Back-Up Flange |
| Material | : | Ductile Iron |
| Method Of Manufacture | : | Cast |
| Nominal/Diameter Size | : | 1 in |
| Number of Bolt Holes | : | 4 |
| Outside Diameter | : | 4.25 in |
| Pressure Class | : | 150 lb |
| Temperature Rating | : | -20 to 150 deg f |
| Thickness | : | 1/2 in |
| Type | : | Flat Face |