This is a restricted solicitation for commercial items, requesting quotations for two units of a Converter, Liquid O2 (NSN 1660-01-179-4064, P/N 10C-0016-16). Award is anticipated on a sole source basis to Essex Industries, Inc., and offerors must have the expertise and capabilities to obtain OEM technical data and parts. A Certificate of Conformance is required per FAR clause 52.246-15, and no drawings, specifications, or schematics are available from the USCG. Only quotations with shipping terms of F.O.B. Destination or F.O.B. Origin will be accepted. The solicitation's provisions and clauses are effective as of November 28, 2025, and interested parties should review the attachments for full requirements.