This is a firm fixed-price purchase order for 18 proximity switches (NSN 5930 01-617-1334) for use on the USCGC WMSL 418' NSC cross-connect gear. The required delivery location is the USCG Surface Forces Logistics Center in Baltimore, MD (zip code 21226), with FOB destination shipping. All items must be individually packaged per MIL-STD-2073-1E Method 10 and marked per MIL-STD-129R, with no substitutions allowed without USCG technical expert approval. Payments are NET 30 under the Prompt Payment clause, and invoicing must be processed through IPP. The vendor must have an active SAM.gov registration prior to award.