340 Series
Male O’Ring Boss-Female O’Ring Boss Reducer
| Piper Part Number | Short Description | Alternate # | SAE# | O.D. | Port Size | Thread A | Thread B | Dim C |
| 340-04-04 | 04MORB-04FORB STRAIGHT REDUCER | 6410-04-04 | (NON STANDARD) | 0.25 | 0.25 | 7/16-20 | 7/16-20 | 1.06 |
| 340-04-06 | 04MORB-06FORB STRAIGHT REDUCER | 6410-04-06 | (NON STANDARD) | 0.25 | 0.38 | 7/16-20 | 9/16-18 | 1.16 |
| 340-05-04 | 05MORB-04FORB STRAIGHT REDUCER | 6410-05-04 | (NON STANDARD) | 0.31 | 0.25 | 1/2-20 | 7/16-20 | 1.06 |
| 340-06-04 | 06MORB-04FORB STRAIGHT REDUCER | 6410-06-04 | (NON STANDARD) | 0.38 | 0.25 | 9/16-18 | 7/16-20 | 1.03 |
| 340-06-06 | 06MORB-06FORB STRAIGHT REDUCER | 6410-06-06 | (NON STANDARD) | 0.38 | 0.38 | 9/16-18 | 9/16-18 | 1.02 |
| 340-06-08 | 06MORB-08FORB STRAIGHT REDUCER | 6410-06-08 | (NON STANDARD) | 0.38 | 0.50 | 9/16-18 | 3/4-16 | 1.30 |
| 340-08-04 | 08MORB-04FORB STRAIGHT REDUCER | 6410-08-04 | (NON STANDARD) | 0.50 | 0.25 | 3/4-16 | 7/16-20 | 0.80 |
| 340-08-06 | 08MORB-06FORB STRAIGHT REDUCER | 6410-08-06 | (NON STANDARD) | 0.50 | 0.38 | 3/4-16 | 9/16-18 | 1.14 |
| 340-08-08 | 08MORB-08FORB STRAIGHT REDUCER | 6410-08-08 | (NON STANDARD) | 0.50 | 0.50 | 3/4-16 | 3/4-16 | 1.25 |
| 340-08-10 | 08MORB-10FORB STRAIGHT REDUCER | 6410-08-10 | (NON STANDARD) | 0.50 | 0.63 | 3/4-16 | 7/8-14 | 1.56 |
| 340-10-04 | 10MORB-04FORB STRAIGHT REDUCER | 6410-10-04 | (NON STANDARD) | 0.63 | 0.25 | 7/8-14 | 7/16-20 | 1.22 |
| 340-10-06 | 10MORB-06FORB STRAIGHT REDUCER | 6410-10-06 | (NON STANDARD) | 0.63 | 0.38 | 7/8-14 | 9/16-18 | 1.25 |
| 340-10-08 | 10MORB-08FORB STRAIGHT REDUCER | 6410-10-08 | (NON STANDARD) | 0.63 | 0.50 | 7/8-14 | 3/4-16 | 1.31 |
| 340-10-10 | 10MORB-10FORB STRAIGHT REDUCER | 6410-10-10 | (NON STANDARD) | 0.63 | 0.63 | 7/8-14 | 7/8-14 | 1.35 |
| 340-10-12 | 10MORB-12FORB STRAIGHT REDUCER | 6410-10-12 | (NON STANDARD) | 0.63 | 0.75 | 7/8-14 | 1 1/16-12 | 1.31 |
| 340-12-04 | 12MORB-04FORB STRAIGHT REDUCER | 6410-12-04 | (NON STANDARD) | 0.75 | 0.25 | 1 1/16-12 | 7/16-20 | 1.00 |
| 340-12-06 | 12MORB-06FORB STRAIGHT REDUCER | 6410-12-06 | (NON STANDARD) | 0.75 | 0.38 | 1 1/16-12 | 9/16-18 | 1.00 |
| 340-12-08 | 12MORB-08FORB STRAIGHT REDUCER | 6410-12-08 | (NON STANDARD) | 0.75 | 0.50 | 1 1/16-12 | 3/4-16 | 1.41 |
| 340-12-10 | 12MORB-10FORB STRAIGHT REDUCER | 6410-12-10 | (NON STANDARD) | 0.75 | 0.63 | 1 1/16-12 | 7/8-14 | 1.56 |
| 340-12-14 | 12MORB-14FORB STRAIGHT REDUCER | 6410-12-14 | (NON STANDARD) | 0.75 | 0.88 | 1 1/16-12 | 1 3/16-12 | 1.80 |
| 340-12-16 | 12MORB-16FORB STRAIGHT REDUCER | 6410-12-16 | (NON STANDARD) | 0.75 | 1.00 | 1 1/16-12 | 1 5/16-12 | 1.91 |
| 340-14-06 | 14MORB-06FORB STRAIGHT REDUCER | 6410-14-06 | (NON STANDARD) | 0.88 | 0.38 | 1 3/16-12 | 9/16-18 | 1.09 |
| 340-14-10 | 14MORB-10FORB STRAIGHT REDUCER | 6410-14-10 | (NON STANDARD) | 0.88 | 0.63 | 1 3/16-12 | 7/8-14 | 1.59 |
| 340-14-12 | 14MORB-12FORB STRAIGHT REDUCER | 6410-14-12 | (NON STANDARD) | 0.88 | 0.75 | 1 3/16-12 | 1 1/16-12 | 1.59 |
| 340-16-06 | 16MORB-06FORB STRAIGHT REDUCER | 6410-16-06 | (NON STANDARD) | 1.00 | 0.38 | 1 5/16-12 | 9/16-18 | 1.00 |
| 340-16-08 | 16MORB-08FORB STRAIGHT REDUCER | 6410-16-08 | (NON STANDARD) | 1.00 | 0.50 | 1 5/16-12 | 3/4-16 | 1.00 |
| 340-16-10 | 16MORB-10FORB STRAIGHT REDUCER | 6410-16-10 | (NON STANDARD) | 1.00 | 0.63 | 1 5/16-12 | 7/8-14 | 1.47 |
| 340-16-12 | 16MORB-12FORB STRAIGHT REDUCER | 6410-16-12 | (NON STANDARD) | 1.00 | 0.75 | 1 5/16-12 | 1 1/16-12 | 1.59 |
| 340-16-14 | 16MORB-14FORB STRAIGHT REDUCER | 6410-16-14 | (NON STANDARD) | 1.00 | 0.88 | 1 5/16-12 | 1 3/16-12 | 1.70 |
| 340-16-16 | 16MORB-16FORB STRAIGHT REDUCER | 6410-16-16 | (NON STANDARD) | 1.00 | 1.00 | 1 5/16-12 | 1 5/16-12 | 1.78 |
| 340-16-20 | 16MORB-20FORB STRAIGHT REDUCER | 6410-16-20 | (NON STANDARD) | 1.00 | 1.25 | 1 5/16-12 | 1 5/8-12 | 1.89 |
| 340-20-06 | 20MORB-06FORB STRAIGHT REDUCER | 6410-20-06 | (NON STANDARD) | 1.25 | 0.38 | 1 5/8-12 | 9/16-18 | 1.20 |
| 340-20-10 | 20MORB-10FORB STRAIGHT REDUCER | 6410-20-10 | (NON STANDARD) | 1.25 | 0.63 | 1 5/8-12 | 7/8-14 | 1.20 |
| 340-20-12 | 20MORB-12FORB STRAIGHT REDUCER | 6410-20-12 | (NON STANDARD) | 1.25 | 0.75 | 1 5/8-12 | 1 1/16-12 | 1.20 |
| 340-20-16 | 20MORB-16FORB STRAIGHT REDUCER | 6410-20-16 | (NON STANDARD) | 1.25 | 1.00 | 1 5/8-12 | 1 5/16-12 | 1.78 |
| 340-20-24 | 20MORB-24FORB STRAIGHT REDUCER | 6410-20-24 | (NON STANDARD) | 1.25 | 1.50 | 1 5/8-12 | 1 7/8-12 | 1.74 |
| 340-24-12 | 24MORB-12FORB STRAIGHT REDUCER | 6410-24-12 | (NON STANDARD) | 1.50 | 0.75 | 1 7/8-12 | 1 1/16-12 | 1.25 |
| 340-24-20 | 24MORB-20FORB STRAIGHT REDUCER | 6410-24-20 | (NON STANDARD) | 1.50 | 1.25 | 1 7/8-12 | 1 5/8-12 | 1.59 |
| 340-32-24 | 32MORB-24FORB STRAIGHT REDUCER | 6410-32-24 | (NON STANDARD) | 2.00 | 1.50 | 2 1/2-12 | 1 7/8-12 | 1.43 |
Design and Dimension Subject to Change Without Notice.