Industrial ESM-3302-S26021 Interlock Solenoid Valve

The Versa ESM-3302-S26021 Transfer Case Interlock Solenoid Valve is a military-grade pneumatic valve that controls the interlock mechanism in the transfer case of USGI M939 5-ton tactical trucks, enabling reliable engagement and disengagement of drivetrain components during off‑road operations and logistics transport. Manufactured by Versa Valves as part of the ESM Series, this OEM replacement component is designed for industrial and military equipment installations and uses compressed air / pneumatic control as its actuation medium. Key specifications include Part Number ESM-3302-S26021, NSN 11669774, Product Type Transfer Case Interlock Solenoid Valve, and Application Transfer Case Interlock Control; it is intended for heavy-duty vehicle control systems and is commonly used in military fleet maintenance and refurbishment programs, with common replacements including Versa ESM-3302-S26020, -S26022, and -S26023.