NPT (National Pipe Thread) fittings seal by the intentional interference created by the tapered threads meshing together.
NOTES:
1. The 14-0359 is commonly used with the popular Bosch PST-F1 absolute fluid pressure/temperature sensor.
2. Always use a small amount of PTFE paste or tape on NPT threads and tighten to finger tight, then add another 1.5 to 3 turns until tight.
Scroll down for photos of each part number:
NOTES:
1. The 14-0359 is commonly used with the popular Bosch PST-F1 absolute fluid pressure/temperature sensor.
2. Always use a small amount of PTFE paste or tape on NPT threads and tighten to finger tight, then add another 1.5 to 3 turns until tight.
Scroll down for photos of each part number:
![](data:image/svg+xml;charset=utf-8,<svg height="200px" width="300px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
![](data:image/svg+xml;charset=utf-8,<svg height="198px" width="300px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)