The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting quotes for the procurement of six power supply units, classified under the NAICS code 335931 for Current-Carrying Wiring Device Manufacturing. The solicitation requires that all items undergo government source approval prior to award, and interested vendors must submit their proposals along with the necessary documentation as outlined in the NAVSUP WSS source approval brochure. These power supplies are critical for fleet support operations, and the contract will be awarded based on the evaluation of proposals, with a preference for early and incremental deliveries. Interested parties should direct their inquiries to Christian Markle at 215-697-6679 or via email at CHRISTIAN.MARKLE@NAVY.MIL, with quotes due by the specified deadline.