The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking proposals for the procurement of rigid shaft couplings, classified under the PSC code 30. This opportunity is set aside for small businesses, specifically under the Total Small Business Set-Aside (FAR 19.5), and falls within the NAICS code 333612, which pertains to speed changer and gear manufacturing. The goods are critical for mechanical power transmission applications, ensuring the reliability and efficiency of various defense systems. Interested vendors should direct any inquiries to the buyer listed in the solicitation document, and further details can be accessed via the DLA's DIBBS portal.