This opportunity is for a complete 4-inch swing check valve assembly built to Emerson Crosby Drawing DS-B-90380, Revision E, Interim Change 3, for a crucial shipboard system designated as SPECIAL EMPHASIS material. The contractor must meet extensive material, certification, testing, inspection, welding/brazing, radiography, and configuration-control requirements, including certificates of compliance and prior approval of welding procedures and qualification data. If the offeror is not the OEM, it must identify the OEM and provide a signed distributor letter of authorization on OEM letterhead. The resulting award will be bilaterally executed, DX certified for national defense under DPAS, and issued under Emergency Acquisition Flexibilities. Supplies carry a one-year warranty from date of delivery, and new welding procedure qualification requires at least 72-hour notification to DCMA with an offer to observe test-assembly welding.

This is a U.S. Navy solicitation for a 4-inch swing check valve assembly manufactured in accordance with Emerson Crosby Drawing DS-B-90380 (Revision E, Interim Change 3), designated as SPECIAL EMPHASIS material for a crucial shipboard system. The contractor must comply with extensive material, testing, and certification requirements, including chemical/mechanical analyses, hydrostatic and seat tightness tests, radiography, thread inspection, and welding per Navy specifications. Additional requirements include configuration control, waivers/deviations approval, component identification marking, and a one-year warranty from delivery. The procurement is subject to Emergency Acquisition Flexibilities, will be issued bilaterally, and carries a DX priority rating for national defense. Offerors who are not the Original Equipment Manufacturer must identify the OEM and provide a letter of authorization.