| NPS | Bolt Circle Dia. | Bolt Hole Size | Dia. of Bolts | Dia. of Hub C Min | Length of Threads C Min. | Length of Bolts | Number of Bolt Holes | Outside Flange Dia. A | Overall Length B Min. | Thickness of Flange D Min |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 1/2 | 8.50 | 0.88 | --- | 3.56 | --- | --- | 8.00 | 10.00 | 1.12 | 0.94 |
