790 R Series
90 Degree Straight Thread Elbow with Orifice Hole
| Piper Part Number | O.D. | Thread A | Thread B | Dim C | Dim D | Orifice E |
| 0790-R-04-04-.000 | 0.25 | 7/16-20 | 7/16-20 | 0.89 | 1.03 | BLANK |
| 790-R-04-04-.031 | 0.25 | 7/16-20 | 7/16-20 | 0.89 | 1.03 | 0.031 |
| 790-R-04-04-.042 | 0.25 | 7/16-20 | 7/16-20 | 0.89 | 1.03 | 0.042 |
| 790-R-04-04-.062 | 0.25 | 7/16-20 | 7/16-20 | 0.89 | 1.03 | 0.062 |
| 0790-R-06-04-.000 | 0.38 | 9/16-18 | 7/16-20 | 1.06 | 1.09 | BLANK |
| 790-R-06-04-.031 | 0.38 | 9/16-18 | 7/16-20 | 1.06 | 1.09 | 0.031 |
| 790-R-06-04.-042 | 0.38 | 9/16-18 | 7/16-20 | 1.06 | 1.09 | 0.042 |
| 790-R-06-04-.062 | 0.38 | 9/16-18 | 7/16-20 | 1.06 | 1.09 | 0.062 |
| 0790-R-06-06-.000 | 0.38 | 9/16-18 | 9/16-18 | 1.06 | 1.25 | BLANK |
| 790-R-06-06-.031 | 0.38 | 9/16-18 | 9/16-18 | 1.06 | 1.25 | 0.031 |
| 790-R-06-06-042 | 0.38 | 9/16-18 | 9/16-18 | 1.06 | 1.25 | 0.042 |
| 790-R-06-06-.062 | 0.38 | 9/16-18 | 9/16-18 | 1.06 | 1.25 | 0.062 |
| 0790-R-06-08-.000 | 0.38 | 9/16-18 | 3/4-16 | 1.16 | 1.45 | BLANK |
| 790-R-06-08-.031 | 0.38 | 9/16-18 | 3/4-16 | 1.16 | 1.45 | 0.031 |
| 790-R-06-08-042 | 0.38 | 9/16-18 | 3/4-16 | 1.16 | 1.45 | 0.042 |
| 790-R-06-08-.062 | 0.38 | 9/16-18 | 3/4-16 | 1.16 | 1.45 | 0.062 |
| 0790-R-06-10-.000 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | BLANK |
| 790-R-06-10-.031 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | 0.031 |
| 790-R-06-10-042 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | 0.042 |
| 790-R-06-10-.062 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | 0.062 |
| 0790-R-06-12-.000 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | BLANK |
| 790-R-06-12-.031 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | 0.031 |
| 790-R-06-12-042 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | 0.042 |
| 790-R-06-12-.062 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | 0.062 |
| 790-R-06-12-.070 | 0.38 | 9/16-18 | 7/8-14 | 1.22 | 1.70 | 0.070 |
| 0790-R-08-06-.000 | 0.50 | 3/4-16 | 9/16-18 | 1.25 | 1.34 | BLANK |
| 790-R-08-06-.031 | 0.50 | 3/4-16 | 9/16-18 | 1.25 | 1.34 | 0.031 |
| 790-R-08-06-042 | 0.50 | 3/4-16 | 9/16-18 | 1.25 | 1.34 | 0.042 |
| 790-R-08-06-.062 | 0.50 | 3/4-16 | 9/16-18 | 1.25 | 1.34 | 0.062 |
| 0790-R-08-08-.000 | 0.50 | 3/4-16 | 3/4-16 | 1.25 | 1.45 | BLANK |
| 790-R-08-08-.031 | 0.50 | 3/4-16 | 3/4-16 | 1.25 | 1.45 | 0.031 |
| 790-R-08-08-042 | 0.50 | 3/4-16 | 3/4-16 | 1.25 | 1.45 | 0.042 |
| 790-R-08-08-.062 | 0.50 | 3/4-16 | 3/4-16 | 1.25 | 1.45 | 0.062 |
| 0790-R-08-10-.000 | 0.50 | 3/4-16 | 7/8-14 | 1.31 | 1.70 | BLANK |
| 790-R-08-10-.031 | 0.50 | 3/4-16 | 7/8-14 | 1.31 | 1.70 | 0.031 |
| 790-R-08-10-042 | 0.50 | 3/4-16 | 7/8-14 | 1.31 | 1.70 | 0.042 |
| 790-R-08-10-.062 | 0.50 | 3/4-16 | 7/8-14 | 1.31 | 1.70 | 0.062 |
| 0790-R-10-08-.000 | 0.63 | 7/8-14 | 3/4-16 | 1.45 | 1.52 | BLANK |
| 790-R-10-08-.031 | 0.63 | 7/8-14 | 3/4-16 | 1.45 | 1.52 | 0.031 |
| 790-R-10-08-042 | 0.63 | 7/8-14 | 3/4-16 | 1.45 | 1.52 | 0.042 |
| 790-R-10-08-.062 | 0.63 | 7/8-14 | 3/4-16 | 1.45 | 1.52 | 0.062 |
| 0790-R-10-10-.000 | 0.63 | 7/8-14 | 7/8-14 | 1.45 | 1.52 | BLANK |
| 790-R-10-10-.031 | 0.63 | 7/8-14 | 7/8-14 | 1.45 | 1.52 | 0.031 |
| 790-R-10-10-042 | 0.63 | 7/8-14 | 7/8-14 | 1.45 | 1.52 | 0.042 |
| 790-R-10-10-.062 | 0.63 | 7/8-14 | 7/8-14 | 1.45 | 1.52 | 0.062 |
| 0790-R-10-12-.000 | 0.63 | 7/8-14 | 1 1/16-12 | 1.55 | 1.94 | BLANK |
| 790-R-10-12-.031 | 0.63 | 7/8-14 | 1 1/16-12 | 1.55 | 1.94 | 0.031 |
| 790-R-10-12-042 | 0.63 | 7/8-14 | 1 1/16-12 | 1.55 | 1.94 | 0.042 |
| 790-R-10-12-.062 | 0.63 | 7/8-14 | 1 1/16-12 | 1.55 | 1.94 | 0.062 |
| 0790-R-12-12-.000 | 0.75 | 1 1/16-12 | 1 1/16-12 | 1.66 | 1.94 | BLANK |
| 790-R-12-12-.031 | 0.75 | 1 1/16-12 | 1 1/16-12 | 1.66 | 1.94 | 0.031 |
| 790-R-12-12-042 | 0.75 | 1 1/16-12 | 1 1/16-12 | 1.66 | 1.94 | 0.042 |
| 790-R-12-12-.062 | 0.75 | 1 1/16-12 | 1 1/16-12 | 1.66 | 1.94 | 0.062 |
| 790-R-12-12-.062 | 0.75 | 1 1/16-12 | 1 1/16-12 | 1.66 | 1.94 | 0.070 |
Design and Dimension Subject to Change Without Notice.