... " ~ 6" Thread :NPT,BSP,BSPT,DIN2999 Stainless Steel Quick CouplingType - A Type: A – typeSize:1/2” – 6”Material: AISI304 , AISI316Design & Manufacture Standard:DIN2828Test ... , Viton , Teflon, and SiliconeProduction processInvestment CastSpecifications conformed to MIL-C-27487 (replaced by A-A-59326 already), with are interchangeable with other products ...