Push in fittings with PT & NPT(PUL-union elbow fitting) Thread: Inch thread, Metric thread, NPT, PT, BSPP As a Fitting manufacturer,include pneumatic ... Connector, brass fitting miniature pneumatic,push on fittings, inch fitting, NPT fittings, BSP fittingsMatertial: Brass nickeled plating, Plastic, POM, Stainless ... both inch and metric sizes. Push in fittings with PT & NPT(PUL-union elbow fitting)