| I.C. | Pitch | Ordering Code | L | X | Y | ||
|---|---|---|---|---|---|---|---|
| TPI | RH | LH | |||||
External UN![]() |
3/8" | 32 | 16ER32UN | 16EL32UN | 16.5 | 0.8 | 0.8 |
| 28 | 16ER28UN | 16EL28UN | 0.8 | 0.8 | |||
| 24 | 16ER24UN | 16EL24UN | 0.8 | 0.8 | |||
| 20 | 16ER20UN | 16EL20UN | 0.8 | 0.8 | |||
| 18 | 16ER18UN | 16EL18UN | 0.8 | 0.8 | |||
| 16 | 16ER16UN | 16EL16UN | 0.8 | 0.8 | |||
| 14 | 16ER14UN | 16EL14UN | 1.2 | 1.5 | |||
| 12 | 16ER12UN | 16EL12UN | 1.2 | 1.5 | |||
| 11 | 16ER11UN | 16EL11UN | 1.2 | 1.5 | |||
| 10 | 16ER10UN | 16EL10UN | 1.2 | 1.5 | |||
| 9 | 16ER9UN | 16EL9UN | 1.2 | 1.5 | |||
| 8 | 16ER8UN | 16EL8UN | 1.2 | 1.5 | |||
| 1/2" | 7 | 22ER7UN | 22EL7UN | 22 | 2.0 | 2.5 | |
| 6 | 22ER6UN | 22EL6UN | 2.2 | 2.5 | |||
| 5 | 22ER5UN | 22EL5UN | 1.8 | 2.5 | |||
| 5/8" | 4.5 | 27ER4.5UN | 27EL4.5UN | 27.5 | 2.2 | 3.2 | |
| 4 | 27ER4UN | 27EL4UN | 2.2 | 3.2 | |||
| . | |||||||
Internal UN![]() |
1/4" | 32 | 11NR32UN | 11NL32UN | 11 | 0.8 | 0.8 |
| 28 | 11NR28UN | 11NL28UN | 0.8 | 0.8 | |||
| 24 | 11NR24UN | 11NL24UN | 0.8 | 0.8 | |||
| 20 | 11NR20UN | 11NL20UN | 0.8 | 0.8 | |||
| 18 | 11NR18UN | 11NL18UN | 0.8 | 0.8 | |||
| 16 | 11NR16UN | 11NL16UN | 0.8 | 0.8 | |||
| 14 | 11NR14UN | 11NL14UN | 0.8 | 0.8 | |||
| 3/8" | 32 | 16NR32UN | 16NL32UN | 16.5 | 0.8 | 0.8 | |
| 28 | 16NR28UN | 16NL28UN | 0.8 | 0.8 | |||
| 24 | 16NR24UN | 16NL24UN | 0.8 | 0.8 | |||
| 20 | 16NR20UN | 16NL20UN | 0.8 | 0.8 | |||
| 18 | 16NR18UN | 16NL18UN | 0.8 | 0.8 | |||
| 16 | 16NR16UN | 16NL16UN | 0.8 | 0.8 | |||
| 14 | 16NR14UN | 16NL14UN | 1.2 | 1.5 | |||
| 12 | 16NR12UN | 16NL12UN | 1.2 | 1.5 | |||
| 11 | 16NR11UN | 16NL11UN | 1.2 | 1.5 | |||
| 10 | 16NR10UN | 16NL10UN | 1.2 | 1.5 | |||
| 9 | 16NR9UN | 16NL9UN | 1.2 | 1.5 | |||
| 8 | 16NR8UN | 16NL8UN | 1.2 | 1.5 | |||
| 1/2" | 7 | 22NR7UN | 22NL7UN | 22 | 2.0 | 2.5 | |
| 6 | 22NR6UN | 22NL6UN | 2.2 | 2.5 | |||
| 5 | 22NR5UN | 22NL5UN | 1.8 | 2.5 | |||
| 5/8" | 4.5 | 27NR4.5UN | 27NL4.5UN | 27.5 | 2.2 | 3.2 | |
| 4 | 27NR4UN | 27NL4UN | 2.2 | 3.2 | |||