These anodized billet aluminum adapter fittings can be used in any application using a 9/16"-18 O-ring port. This is the same thread pitch used in -6AN (ORB=O-Ring Boss). They all feature FKM (Viton) O-rings for all oil and fuel types.
 
14-0195 is used in Radium fuel pressure regulators and Radium standard fuel surge tanks.
14-0245 is commonly used for standard fuel surge tanks that require a 8AN male fitting.
14-0291 is used in Radium compenents such as fuel hangers, venturi jet pump, etc.
14-0343 is commonly used for installing a fuel pressure gauge or sensor. Use PTFE paste.
14-0123 is used with many OEM fuel pulse dampers.
14-0149 is a unique CNC billet aluminum round plug (shown below) that uses an internal hex for a compact and cosmetic appearance.