300 Series
Male Pipe-Female O’Ring Boss Adapter
| Piper Part Number | Short Description | Alternate # | SAE# | O.D. | Port Size | Thread A | Thread B | Dim C |
| 300-02-04 | 02MP-04FORB STRAIGHT | 6404-04-02 | (NON STANDARD) | 0.13 | 0.25 | 1/8-27 | 7/16-20 | 1.37 |
| 300-02-05 | 02MP-05FORB STRAIGHT | 6404-05-02 | (NON STANDARD) | 0.13 | 0.31 | 1/8-27 | 1/2-20 | 1.37 |
| 300-04-04 | 04MP-04FORB STRAIGHT | 6404-04-04 | (NON STANDARD) | 0.25 | 0.25 | 1/4-18 | 7/16-20 | 1.55 |
| 300-04-06 | 04MP-06FORB STRAIGHT | 6404-06-04 | (NON STANDARD) | 0.25 | 0.38 | 1/4-18 | 9/16-18 | 1.55 |
| 300-06-06 | 06MP-06FORB STRAIGHT | 6404-06-06 | (NON STANDARD) | 0.38 | 0.38 | 3/8-18 | 9/16-18 | 1.40 |
| 300-06-08 | 06MP-08FORB STRAIGHT | 6404-08-06 | (NON STANDARD) | 0.38 | 0.50 | 3/8-18 | 3/4-16 | 1.50 |
| 300-08-06 | 08MP-06FORB STRAIGHT | 6404-06-08 | (NON STANDARD) | 0.50 | 0.38 | 1/2-14 | 9/16-18 | 1.74 |
| 300-08-08 | 08MP-08FORB STRAIGHT | 6404-08-08 | (NON STANDARD) | 0.50 | 0.50 | 1/2-14 | 3/4-16 | 1.58 |
| 300-08-10 | 08MP-10FORB STRAIGHT | 6404-10-08 | (NON STANDARD) | 0.50 | 0.63 | 1/2-14 | 7/8-14 | 1.81 |
| 300-12-12 | 12MP-12FORB STRAIGHT | 6404-12-12 | (NON STANDARD) | 0.75 | 0.75 | 3/4-14 | 1 1/16-12 | 1.97 |
| 300-12-14 | 12MP-14FORB STRAIGHT | 6404-14-12 | (NON STANDARD) | 0.75 | 0.88 | 3/4-14 | 1 3/16-12 | 2.03 |
| 300-16-16 | 16MP-16FORB STRAIGHT | 6404-16-16 | (NON STANDARD) | 1.00 | 1.00 | 1-11 1/2 | 1 5/16-12 | 2.16 |
| 300-20-20 | 20MP-20FORB STRAIGHT | 6404-20-20 | (NON STANDARD) | 1.25 | 1.25 | 1 1/4-11 1/2 | 1 5/8-12 | 2.25 |
| 300-24-24 | 24MP-24FORB STRAIGHT | 6404-24-24 | (NON STANDARD) | 1.50 | 1.50 | 1 1/2-11 1/2 | 1 7/8-12 | 2.28 |
| 300-32-32 | 32MP-32FORB STRAIGHT | 6404-32-32 | (NON STANDARD) | 2.00 | 2.00 | 2-11 1/2 | 2 1/2-12 | 2.31 |
Design and Dimension Subject to Change Without Notice.