This opportunity is for manufacturing NSN 3040-01-642-5372, with current approved sources listed. Interested parties must complete and return the attached market survey to the contract specialist by the specified response date. To become an approved source, companies must submit a Source Approval Request (SAR) package demonstrating their ability to manufacture the product to equal or better quality than the OEM. No budget amount or performance location is specified in the description. The SAR process and requirements are detailed on the DLA Weapons Support Columbus webpage.