FS-400SH Series
Union
| Piper Part Number | Short Description | Alternate # | SAE# | O.D. | Thread A | Thread B | Dim C | Hex D | Hole Size |
| FS-400-SH-04-04 | 04MFS-04MFS STRAIGHT CONNECTOR | FS2403-04-04 | 520101-04-04 | 0.25 | 9/16-18 | 9/16-18 | 1.08 | 0.62 | 0.17 |
| FS-400-SH-06-04 | 06MFS-04MFS STRAIGHT CONNECTOR | FS2403-06-04 | 520101-06-04 | 0.38 | 11/16-16 | 9/16-18 | 1.17 | 0.75 | 0.17 |
| FS-400-SH-06-06 | 06MFS-06MFS STRAIGHT CONNECTOR | FS2403-06-06 | 520101-06-06 | 0.38 | 11/16-16 | 11/16-16 | 1.22 | 0.75 | 0.26 |
| FS-400-SH-08-06 | 08MFS-06MFS STRAIGHT CONNECTOR | FS2403-08-06 | 520101-08-06 | 0.50 | 13/16-16 | 11/16-16 | 1.33 | 0.88 | 0.26 |
| FS-400-SH-08-08 | 08MFS-08MFS STRAIGHT CONNECTOR | FS2403-08-08 | 520101-08-08 | 0.50 | 13/16-16 | 13/16-16 | 1.39 | 0.88 | 0.38 |
| FS-400-SH-10-08 | 10MFS-08MFS STRAIGHT CONNECTOR | FS2403-10-08 | 520101-10-08 | 0.63 | 1-14 | 13/16-16 | 1.57 | 1.06 | 0.38 |
| FS-400-SH-10-10 | 10MFS-10MFS STRAIGHT CONNECTOR | FS2403-10-10 | 520101-10-10 | 0.63 | 1-14 | 1-14 | 1.68 | 1.06 | 0.48 |
| FS-400-SH-12-10 | 12MFS-10MFS STRAIGHT CONNECTOR | FS2403-12-10 | 520101-12-10 | 0.75 | 1-3/16-12 | 1-14 | 1.80 | 1.25 | 0.48 |
| FS-400-SH-12-12 | 12MFS-12MFS STRAIGHT CONNECTOR | FS2403-12-12 | 520101-12-12 | 0.75 | 1-3/16-12 | 1-3/16-12 | 1.86 | 1.25 | 0.61 |
| FS-400-SH-16-12 | 16MFS-12MFS STRAIGHT CONNECTOR | FS2403-16-12 | 520101-16-12 | 1.00 | 1-7/16-12 | 1-3/16-12 | 1.92 | 1.50 | 0.61 |
| FS-400-SH-16-16 | 16MFS-16MFS STRAIGHT CONNECTOR | FS2403-16-16 | 520101-16-16 | 1.00 | 1-7/16-12 | 1-7/16-12 | 1.94 | 1.50 | 0.81 |
| FS-400-SH-20-20 | 20MFS-20MFS STRAIGHT CONNECTOR | FS2403-20-20 | 520101-20-20 | 1.25 | 1-11/16-12 | 1-11/16-12 | 2.02 | 1.75 | 1.02 |
| FS-400-SH-24-24 | 24MFS-24MFS STRAIGHT CONNECTOR | FS2403-24-24 | 520101-24-24 | 1.25 | 2-12 | 2-12 | 2.09 | 2.12 | 1.26 |
Design and Dimension Subject to Change Without Notice.