| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 9.06 | 0.69 | 0.63 | 7.31 | --- | 2.75 | 6.00 | 10.56 | 1.50 | 1.00 |
