This is a sole-source/limited-source spares acquisition for a B-1 Computer Subassembly (NSN 5895-01-589-8356EK, PN 100K669G01), with a quantity of 4 each (minimum 1, maximum 6) shipped to SW3211, TAC FRS2. Northrop Grumman Systems Corp (CAGE 97942) is the qualified source; no set-aside applies, surplus is not authorized, and UID requirements apply. The Government does not own the data or rights needed to manufacture the item, so interested firms are encouraged to contact the OEM, and foreign-owned firms should contact the contracting officer before proposing. Required delivery is on or before January 10, 2030, and anticipated award is 90 days after issuance of the notice. The solicitation will be available electronically only at sam.gov, and questions can be directed to Howard Heflin at howard.heflin@us.af.mil.