The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of new manufacture spare parts, specifically a coupler for transmission. This requirement is critical for maintaining operational readiness and is subject to competitive procedures, with evaluation criteria including lead time, price, past performance, and capacity. Interested vendors must be FAA certified or able to provide an FAA Form 8130-3, and proposals must remain valid for a minimum of 120 days following submission. For further inquiries, interested parties can contact Danielle M. Junod via email at danielle.m.junod.civ@us.navy.mil, with the closing date for submissions specified in the solicitation document.