The United States Coast Guard is seeking quotations for 16 units of a specific directional control valve (NSN: 4810-12-344-5331) used on MTU diesel engines for 87 WPB vessels. Delivery must be F.O.B. Destination to Baltimore, MD, with strict compliance to MIL-STD packaging and bar-coding requirements; standard commercial packaging is unacceptable. The brand-name part from Rolls-Royce Solutions GmbH is mandatory unless an "equal" product meets all specified characteristics and is approved by the Coast Guard. Award will be a firm fixed-price contract on an all-or-none basis to the lowest price technically acceptable offeror. All responsible sources must be registered in SAM and submit required representations, including a completed FAR 52.212-3.