... 2"NPT INTERCHANGEABILITY: Parker 20 series,Rcctus 23KA series,Amflo type "D" series,CEJN 310seriesAPPLICATION: Pneumatic tools, Automotive,Compressed ... Temperature Range: -40 to 250 FFeatures:-Accepts Industrial type plugs-Heavy-duty,high-quality design-Deep knurled socket ... Spring:steel,stainless steel-Locking Balls:Steel,Stainless Steel-Seals:Buta-N/Nitrile-Surface finish: Copper color,Zinc-plated ...