NPT
For NPT, region of origin is American Connections; thread type (tapered or parallel) is tapered; seal method is NPT is a U.S. standard for tapered threads used on pipes and fittings. They are used to effectively seal pipes for fluid and gas transfer, recorded from its source on 2026-08-13.
- Connection type
- NPT verified
- Governing standard
- NPT verified
- Region of origin
- American Connections our reading
- Thread type (tapered or parallel)
- tapered verified
- Seal method
- NPT is a U.S. standard for tapered threads used on pipes and fittings. They are used to effectively seal pipes for fluid and gas transfer. verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
NPT (National Pipe Tapered) -style pipe threads have been widely used for over 100 years. NPT is a U.S. standard for tapered threads used on pipes and fittings. They are used to effectively seal pipes for fluid and gas transfer. The nominal pipe size can be identified by physically measuring the thread diameter, then subtracting 1/4".
— brennaninc.com, retrieved 2026-08-13
Source
- brennaninc.comhttps://brennaninc.com/connection-types/