Norgren 15069 series t connectors iso g to iso r nickel plated brass norgren 150690018 a t connector with 2x iso g internal threads and 1x iso r tapered external thread the connector is manufactured from nickel plated brass and is from the norgren 15 series of bsp and hose fittings suitable for use in compressed air systems norgren 150690018 iso giso r t connector g18 int thread r18 ext thread