Authentic MD-80 Check Valve, PN: 123562-2-1, removed from a retired McDonnell Douglas MD-80 aircraft. This valve allows unidirectional flow within the aircraft’s pneumatic, hydraulic, or fuel systems, ensuring proper system function and safety during operations.
Ideal for aviation collectors, maintenance training programs, or creative repurposing into aviation-themed décor or industrial builds. Sold as-is, with visible signs of operational use consistent with its airline service history.