The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting quotes for the repair and modification of rotary pump units under a sole source requirement. Contractors are expected to provide pricing for time and materials, along with estimates for the repair of specific items, which must be conducted in accordance with detailed specifications and quality requirements outlined in the solicitation. These pump units are critical components used in various defense applications, necessitating compliance with stringent repair and inspection standards to ensure operational readiness. Interested contractors must submit their proposals, including necessary documentation for source approval, to Dana Scott at DANA.SCOTT@NAVY.MIL by the specified deadline, with further details available in the NAVSUP WSS Source Approval Brochure.