| Tube OD | Part No. | Thread | A/F Hex |
| 1/8" | 2-CN | 7/16" x 20TPI UNF | 0.562" |
| 3/16" | 3-CN | 7/16" x 20TPI UNF | 0.562" |
| 1/4" | 4-CN | 7/16" x 20TPI UNF | 0.562" |
| 3/8" | 6-CN | 5/8" x 16TPI UNF | 0.750" |
| 1/2" | 8-CN | 3/4" x 16TPI UNF | 0.875" |
| 3/4" | 12-CN | 1-1/16" x 16TPI UNF | 1.312" |
| 1" | 16-CN | 1-5/16" x 16TPI UNF | 1.500" |