The U.S. Army Contracting Command – Detroit Arsenal is seeking a Firm-Fixed Price, one-time buy contract for 371 each of Carrier Assembly Reference (NSN 6665-01-539-5590), with a 100% option quantity of 371 each. A First Article Test Report is required. The procurement includes an export-controlled Technical Data Package with distribution code D, requiring Joint Certification Program (JCP) certification and an approved DD2345 for access. Military preservation, packing, and marking per MIL-STD-2073-1 and Special Packaging Instructions are required, and offerors must be registered in the System for Award Management (SAM). Offers must remain valid for at least 90 calendar days following the offer due date.