The Department of Defense, specifically the Naval Air Warfare Center Aircraft Division (NAWCAD), is conducting market research to identify potential sources for rack-mounted Analog Discrete Input Measurement instruments for the Engine Test Instrumentation Replacement System (ETIRS). The instruments must comply with MIL-STD-1553 Communication Performance requirements and meet specific environmental and operational standards, including Class 1 and Class 4 environmental requirements as outlined in MIL-PRF-28800. Interested vendors are invited to submit information regarding their capabilities, past performance, and compliance with specified technical requirements, with responses due by December 16, 2024, at 4 PM EST. For further inquiries, vendors can contact Terrence Shearer at terrence.d.shearer.civ@us.navy.mil or by phone at 732-323-2788.