| Type | I.C. | Pitch TPI | Ordering Code RH | Ordering Code LH | L | X | Y |
|---|---|---|---|---|---|---|---|
| External NPT | 3/8" | 27 | 16ER27NPT | 16EL27NPT | 16.5 | 0.7 | 1.2 |
| External NPT | 3/8" | 18 | 16ER18NPT | 16EL18NPT | 16.5 | 0.8 | 1.0 |
| External NPT | 3/8" | 14 | 16ER14NPT | 16EL14NPT | 16.5 | 0.9 | 1.2 |
| External NPT | 3/8" | 11.5 | 16ER11.5NPT | 16EL11.5NPT | 16.5 | 1.2 | 1.5 |
| External NPT | 3/8" | 8 | 16ER8NPT | 16EL8NPT | 16.5 | 1.3 | 1.8 |
| Internal NPT | 3/8" | 27 | 16NR27NPT | 16NL27NPT | 16.5 | 0.7 | 0.8 |
| Internal NPT | 3/8" | 18 | 16NR18NPT | 16NL18NPT | 16.5 | 0.8 | 1.0 |
| Internal NPT | 3/8" | 14 | 16NR14NPT | 16NL14NPT | 16.5 | 0.9 | 1.2 |
| Internal NPT | 3/8" | 11.5 | 16NR11.5NPT | 16NL11.5NPT | 16.5 | 1.1 | 1.5 |
| Internal NPT | 3/8" | 8 | 16NR8NPT | 16NL8NPT | 16.5 | 0.9 | 1.8 |
