2 1/2" swivel rocker lug female NH / NST by 2 1/2" male NH / NST threaded line pressure gauge. Line gauge for testing static pressure in hose or nozzles. This product is not intended for open end pressure flowing (flow testing fire hydrants).
Specifications
Aluminum components are machined from 6061-T6 aluminum seamless extrusions.
Aluminum components are hardcoat anodized per MIL-A-8625 Type III, Class 1.
Line gauge swivel attached with aluminum piston rings
Dial face is bright white with black numbering from 0 to 300 PSI in 5 lb. increments
The glycerine protects the gauge from freezing to -40 degrees F and reduces the effects of vibration to allow accurate readings
Full scale accuracy +/-1.5%
Cap sold separately
The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days. NH = NST
