The USCG seeks quotations for new approved Tube Assemblies (NSN 4710-01-290-3568, P/N 70307-23008-087), quantity 10 each, with an optional additional 10 at the same price and lead time if exercised unilaterally within 365 days after initial award, for a maximum of 20. This acquisition is 100% set aside for small businesses, and offerors must be certified as small business concerns under NAICS 336413 (size standard 1,250 employees). The contractor must furnish a Certificate of Conformance, and no drawings, specifications, or schematics are available from the agency. Requested delivery date is 01/30/2027, and award is anticipated on or about 11/13/2026. All parts must be new approved parts, and additional terms and evaluation criteria are provided in Attachment 1.