This opportunity seeks potential manufacturers for a specific NSN with two existing approved sources, but the part requires engineering source approval (AMSC "C") and cannot be easily competed. Alternate manufacturers must qualify through the DLA Weapons Support Alternate Offer/Source Approval Request (SAR) program, demonstrating their product is equal to or better than the original with technical data and approved engineering procedures. The activity is requesting information from any companies capable of producing this item, with submissions directed to the contract specialist. No budget amount or performance location is specified.