McMaster 44705K252 Low Pressure 356 Aluminum Pipe Union Connector, 3 NPT Female, Class 150, Hex Body 16X950 3 micron Standards SAE J905 3 micron Standards SAE J905 Fit Type Vehicle Specific Overall Height` 8 in Product Type Fuel Filter Compatible Vehicle Type Trucks Fleetguard FF5206 Compatible Fluid Type Diesel Fuel Baldwin Interchange BF5810 Insert Types Included Helical Inserts Insert Material 18 8 Stainless Steel Finish Plain Thread Type UNC Number of Inserts 18 Compatible Material Metal Helical Insert Type Free Running System of Measurement Inch Includes 18 Each 3 8" 16 Inserts To prevent cracking Union Fitting Connection NPT Female Pipe Size 3" Pressure Class 150 Body Shape Hex Material 356 Aluminum Maximum Pressure @ Temperature 150 psi @ 72°F For Pipe Schedule 40 For Use With Air