pair of new Dust and Moisture Caps. Made of Rubber, Fits C-130 Hercules and others. NSN 5340-00-489-3774 P/N 61B25279-12. SPECS: CSV Tube Outside Diameter FOR Which Designed 2.500 inches nominal ADAV Overall Diameter 2.719 inches nominal APGF Design Type Friction BZMQ Inside Diameter Length 4.125 inches nominal BZMX Round CAP Outside Surface Condition Smooth MATT Material Rubber synthetic These would work well to cap off 2″ Schedule 40 pipe. PVC and more. This is a great buy Save $$$$$$$ here L4A11 10324