DLA Land & Maritime is preparing to solicit the 3 NSNs listed below for a Commercial Indefinite Delivery long-term contract. These items are microphone-related equipment used in military aircraft, and GENTEX CORPORATION (7L772) is the only approved source. DLA Land & Maritime does NOT have any technical data with which to procure these items. The purpose of this synopsis is to locate sources interested in becoming approved sources. The solicitation will be synopsized separately at a later date. Interested sources may submit the appropriate information outlined in DLAD Procurement Note L04, Offers for Part Numbered Items at this time and until the solicitation synopsis closes. Alternate offer packages may also be submitted at any other time to be considered for future procurements. The agency has no data with which to evaluate alternate products. Please read about all of the information required before submitting an alternate offer.Responses must be sent to Rebecca Halteman via email at rebecca.halteman@dla.mil. PLEASE PROVIDE CAGE CODE. Respondents to this sources sought notice will be notified via email when the solicitation is published to DIBBS and ready to download.GENTEX CORPORATION (7L772) Approved Part Numbers:5965014427364, p/n N100238-005965015190779, p/n N100493-00 (in accordance with a source control drawing)5965016169213, p/n