The AIRman B2400-B40 is a high-performance 5-port, 2-position push-pull valve designed for demanding applications such as double-acting cylinders and lift axles. With its durable construction, a 3/8" NPT connection, and a positive detent for reliable operation, this valve is built to handle extreme conditions while providing long-lasting, precise control. Width: 2.0” Height: 5.8” Thickness: 1” Cross-Reference: Alkon TD6300, Buyers Products AK12392MR, 170.V24204 Application: Double Acting Cylinder, Lift Axle Lifecycle: 350k -3M+ cycles depending on the application (min 10x worst case life) Temperature: -40C -180C -60 hour cycle Salt Spray: ASTM B-117-97 -5 -10 days Vibration: Resonance frequency - 1 M cycles @ 5Gs Vibration Step: Temp and cycle sweep up to 50 Gs Chemical Resistance: 48 hr Methanol assembly soak followed by 300k cycle; Additional direct seal soak -1 week Sludge: 350k cycles impingement, water and diesel oil mix Dust: ISO 12013 Arizona road dust