| Tube Size X Thread Inch | 10-32 UNF Thread | 1/8" NPT | 1/4" NPT | 3/8" NPT | 1/2" NPT |
| 5/32" OD | PL5/32-U10U | PL5/32-N1U | PL5/32-N2U | ||
| 3/16" OD | PL3/16-U10U | PL3/16-N1U | PL3/16-N2U | ||
| 1/4" OD | PL1/4-U10U | PL1/4-N1U | PL1/4-N2U | PL1/4-N3U |
|
| 3/8" OD | PL3/8-N1U | PL3/8-N2U | PL3/8-N3U | PL3/8-N4U | |
| 1/2" OD | PL1/2-N2U | PL1/2-N3U | PL1/2-N4U | ||
| Tube Size X Thread Metric | M5 X .8 Thread | R1/8 | R1/4 | R3/8 | R1/2 |
| 4MM | PL4-M5 | PL4-01 | PL4-02 | ||
| 6MM | PL6-M5 | PL6-01 | PL6-02 | PL6-03 | |
| 8MM | PL8-01 | PL8-02 | PL8-03 | ||
| 10MM | PL10-01 | PL10-02 | PL10-03 | PL10-04 | |
| 12MM | PL12-02 | PL12-03 | PL12-04 | ||
| 16MM | PL16-03 | PL16-04 |