Reducing adapter
| Order code | Female thread | Male thread | Size (inches) | ||
| A | E | F | |||
| RRA4-2 | 1/4 | 1/8 | 1.26 | 0.19 | 3/4 |
| RRA6-2 | 3/8 | 1/8 | 1.33 | 0.19 | 7/8 |
| RRA6-4 | 3/8 | 1/4 | 1.50 | 0.28 | 7/8 |
| RRA8-2 | 1/2 | 1/8 | 1.49 | 0.19 | 1-1/16 |
| RRA8-4 | 1/2 | 1/4 | 1.66 | 0.28 | 1-1/16 |
| RRA8-6 | 1/2 | 3/8 | 1.66 | 0.8 | 1-1/16 |
| RRA12-4 | 3/4 | 1/4 | 1.66 | 0.28 | 1-3/8 |
| RRA12-6 | 3/4 | 3/8 | 1.66 | 0.38 | 1-3/8 |
| RRA12-8 | 3/4 | 1/2 | 1.85 | 0.47 | 1-3/8 |
| RRA16-4 | 1 | 1/4 | 1.96 | 0.28 | 1-5/8 |
| RRA16-8 | 1 | 1/2 | 2.16 | 0.47 | 1-5/8 |
|
RRA16-12 |
1 | 3/4 | 2.17 | 0.62 | 1-5/8 |