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							These displays are now readily available.  The Vishay Dale number for this display is PD-20D025-5 and a data sheet updated March 12, 2012 is available at:www.vishay.com/docs/37093/pd20d0255.pdfThis part number is the exact one that I found on my MK-12D display and the data sheet states these are Replacement for former Narco Avionics 50401-1.I ...