DLA Aviation is issuing a Sources Sought Notice for market research to identify companies capable of manufacturing or legitimately obtaining a Delta P Indicator (NSN 1680-01-480-1735), currently produced by Triumph Gear Systems Inc. and Pall Aeropower Corporation. This notice is for informational purposes only and does not constitute a solicitation or a commitment to award a contract. Interested parties are invited to voluntarily submit a response, and no funds are available to cover preparation costs. Companies desiring to qualify as an approved source must submit an application package through the Source Approval Request (SAR) program, demonstrating their product meets or exceeds the quality of the currently approved item. All responses must be submitted via email to the designated contact.