1090 Series
90 Degree Bulkhead Elbow
| Piper Part Number | Short Description | Alternate # | SAE# | O.D. | Thread A | Thread B | Dim C | Dim D |
| 1090-04-04 | 04MJ-04MJ BULKHEAD 90 DEGREE | 2701-04-04 | 070701-04-04 | 0.25 | 7/16-20 | 7/16-20 | 0.97 | 1.59 |
| 1090-05-05 | 05MJ-05MJ BULKHEAD 90 DEGREE | 2701-05-05 | 070701-05-05 | 0.31 | 1/2-20 | 1/2-20 | 1.06 | 1.72 |
| 1090-06-06 | 06MJ-06MJ BULKHEAD 90 DEGREE | 2701-06-06 | 070701-06-06 | 0.38 | 9/16-18 | 9/16-18 | 1.09 | 1.81 |
| 1090-08-08 | 08MJ-08MJ BULKHEAD 90 DEGREE | 2701-08-08 | 070701-08-08 | 0.50 | 3/4-16 | 3/4-16 | 1.36 | 2.11 |
| 1090-10-10 | 10MJ-10MJ BULKHEAD 90 DEGREE | 2701-10-10 | 070701-10-10 | 0.63 | 7/8-14 | 7/8-14 | 1.56 | 2.39 |
| 1090-12-12 | 12MJ-12MJ BULKHEAD 90 DEGREE | 2701-12-12 | 070701-12-12 | 0.75 | 1 1/16-12 | 1 1/16-12 | 1.78 | 2.67 |
| 1090-16-12 | 16MJ-12MJ BULKHEAD 90 DEGREE | 2701-16-12 | 070701-16-12 | 1.00 | 1 5/16-12 | 1 1/16-12 | 1.89 | 2.80 |
| 1090-16-16 | 16MJ-16MJ BULKHEAD 90 DEGREE | 2701-16-16 | 070701-16-16 | 1.00 | 1 5/16-12 | 1 5/16-12 | 1.94 | 2.80 |
| 1090-20-20 | 20MJ-20MJ BULKHEAD 90 DEGREE | 2701-20-20 | 070701-20-20 | 1.25 | 1 5/8-12 | 1 5/8-12 | 2.17 | 3.12 |
| 1090-24-24 | 24MJ-24MJ BULKHEAD 90 DEGREE | 2701-24-24 | 070701-24-24 | 1.50 | 1 7/8-12 | 1 7/8-12 | 2.34 | 3.42 |
Design and Dimension Subject to Change Without Notice.