The Portsmouth Naval Shipyard is seeking a qualified source to provide specific EPDM sponge tubing, with a mandatory requirement for the brand Marco Rubber and Plastics; "equal to" products will not be accepted. The work is to be performed at the Portsmouth Naval Shipyard. The announcement will close on January 30, 2026. Quotations must be submitted via email and include detailed pricing, business, and compliance information. The government's payment terms are Net 30 days after material acceptance.