This is a Parker-Hannifin 1500 psi In-line Check Valve NEW. The specs are:

• Thread Class 3A 1ST end
• AAJF Thread Direction Right-hand 1ST end
• ADQU Flow Control Device CONE
• ADSU Disk Loading Method Spring
• AHNC Connection Style Flared (tube) 1ST end
• AQLR Valve Operation Method Automatic
• AWLS Connection Type Threaded external tube 1ST end
• BBJX Mounting Position Horizontal
• CMLP Thread Quantity PER Inch 18 1ST end
• CQGM Maximum Operating Pressure 750.0 pounds per square inch single response
• CQJX Nominal Thread Size 0.562 inches 1ST end
• CQRB Seat Angle 37.0 degrees 1ST end
• CWFD Nominal Outside Diameter Tube Accommodated 0.375 inches 1ST end
• MATT Material Aluminum alloy body
• MATT Material Aluminum alloy seat
• MEDA Media FOR Which Designed Fuel/oil, hydrocarbon single response
• SFTT Surface Treatment Anodize
• STYL Style Designator Straight thru
• THSD Thread Series Designator Unf 1ST end