SAE Dash thread chart is for JIC 37 degree flare fittings, ORFS fittings, SAE 45 degree Flare Fittings, flange fittings as follows:
| DASH SIZE | TUBE OD | PIPE THREAD | O-RING BOSS & 37° JIC THREAD |
ORFS THREAD | 45° SAE THREAD | CODE 61 FLANGE | CODE 62 FLANGE |
| 02 | 1/8 | 1/8-27 | 5/16-24 | – | 5/16-24 | – | – |
| 03 | 3/16 | – | 3/8-24 | – | 3/8-24 | – | – |
| 04 | 1/4 | 1/4-18 | 7/16-20 | 9/16-18 | 7/16-20 | – | – |
| 05 | 5/16 | – | 1/2-20 | – | 1/2-20 | – | – |
| 06 | 3/8 | 3/8-18 | 9/16-18 | 11/16-16 | 5/8-18 | – | – |
| 07 | 7/16 | – | – | – | 11/16-16 | – | – |
| 08 | 1/2 | 1/2-14 | 3/4-16 | 13/16-16 | 3/4-16 | 1.19 | 1.25 |
| 10 | 5/8 | – | 7/8-14 | 1-14 | 7/8-14 | – | – |
| 12 | 3/4 | 3/4-14 | 1 1/16-12 | 1 3/16-12 | 1 1/16-24 | 1.50 | 1.62 |
| 14 | 7/8 | – | 1 3/16-12 | – | – | – | – |
| 16 | 1 | 1-11 1/2 | 1 5/16-12 | 1 7/16-12 | – | 1.75 | 1.88 |
| 20 | 1 1/4 | 1 1/4-11 1/2 | 1 5/8-12 | 1 11/16-12 | – | 2.00 | 2.12 |
| 24 | 1 1/2 | 1 1/2-11 1/2 | 1 7/8-12 | 2-12 | – | 2.38 | 2.50 |
| 32 | 2 | 2-11 1/2 | 2 1/2-12 | – | – | 2.81 | 3.12 |
