Female ThreadNPTFFemale Thread Size1/4 in-18Male ThreadBSPPMale Thread Size1/4 in-19MaterialZinc plated steelThread1/4 in-18Working pressure (psi)5000
| Female Thread | NPTF |
| Female Thread Size | 1/4 in-18 |
| Male Thread | BSPP |
| Male Thread Size | 1/4 in-19 |
| Material | Zinc plated steel |
| Thread | 1/4 in-18 |
| Working pressure (psi) | 5000 |