FS-1000 Series
Bulkhead Union
| Piper Part Number | Short Description | Alternate # | SAE# | O.D. | Thread A | Thread B | Dim C | Dim D | Hex E | Hole Size |
| FS-1000-04-04 | 04MFS-04MFS BULKHEAD UNION | FS2700-NWO-04-04 | 520601-04-04 | 0.25 | 9/16-18 | 9/16-18 | 1.90 | 1.24 | 0.81 | 0.17 |
| FS-1000-06-06 | 06MFS-06MFS BULKHEAD UNION | FS2700-NWO-06-06 | 520601-06-06 | 0.38 | 11/16-16 | 11/16-16 | 2.09 | 1.34 | 1.00 | 0.26 |
| FS-1000-08-08 | 08MFS-08MFS BULKHEAD UNION | FS2700-NWO-08-08 | 520601-08-08 | 0.50 | 13/16-16 | 13/16-16 | 2.30 | 1.44 | 1.12 | 0.38 |
| FS-1000-10-10 | 10MFS-10MFS BULKHEAD UNION | FS2700-NWO-10-10 | 520601-10-10 | 0.63 | 1-14 | 1-14 | 2.62 | 1.60 | 1.31 | 0.48 |
| FS-1000-12-12 | 12MFS-12MFS BULKHEAD UNION | FS2700-NWO-12-12 | 520601-12-12 | 0.75 | 1-3/16-12 | 1-3/16-12 | 2.72 | 1.64 | 1.50 | 0.61 |
| FS-1000-16-16 | 16MFS-16MFS BULKHEAD UNION | FS2700-NWO-16-16 | 520601-16-16 | 1.00 | 1-7/16-12 | 1-7/16-12 | 2.76 | 1.66 | 1.75 | 0.81 |
| FS-1000-20-20 | 20MFS-20MFS BULKHEAD UNION | FS2700-NWO-20-20 | 520601-20-20 | 1.25 | 1-11/16-12 | 1-11/16-12 | 2.76 | 1.66 | 2.00 | 1.02 |
| FS-1000-24-24 | 24MFS-24MFS BULKHEAD UNION | FS2700-NWO-24-24 | 520601-24-24 | 1.50 | 2-12 | 2-12 | 2.76 | 1.66 | 2.38 | 1.26 |
Design and Dimension Subject to Change Without Notice.