This notice is a sources sought for NSN 5340-01-686-5201 with an AMC/AMSC of "3/D." Interested parties are asked to complete and return the attached market survey to the contract specialist, and to identify any sources that can manufacture the item. Approved sources are currently listed, and companies may pursue qualification as an approved source through the DLA Land and Maritime Alternate Offer/Source Approval Request (SAR) Program. A SAR package must demonstrate the prospective contractor can manufacture the product to the same or better quality than the original equipment manufacturer. Further details on the SAR process are available on the DLA Alternate Offer/Source Approval Program webpage.