The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking proposals for the procurement of piston rings, specifically under the solicitation titled "28--RING,PISTON." This opportunity is set aside for SBA Certified Women-Owned Small Businesses (WOSB) and falls under the NAICS code 333611, which pertains to Turbine and Turbine Generator Set Units Manufacturing. The piston rings are critical components used in various defense applications, ensuring the efficient operation of engines and turbines. Interested vendors should direct any inquiries to the buyer listed in the solicitation document, accessible via the DLA's website, and are encouraged to submit their proposals in accordance with the specified guidelines.