The U.S. Coast Guard is seeking quotations for 100 units of a specific Siemens interface unit (NSN: 7025-12-402-8389) used on 154' FRC vessels. Items must be individually packaged per MIL-STD-2073-1E Method 10 and marked IAW MIL-STD-129R with bar coding per ISO/IEC-16388-2007; standard commercial packaging is unacceptable. Award will be made on an all-or-none, lowest price technically acceptable basis, and brand name parts are mandatory unless an "equal" product meets all salient characteristics. Quotations are due by May 26, 2026, at 10:00 AM Eastern Time, and offerors must be registered in SAM with a valid DUNS number. No budget amount is specified, and the place of performance is not stated.