This is a limited source, sole-source requirement for the repair of one Control, Communication System (NSN 7R 5895 015975757, Part Number K9321051A010), designated as a Critical Safety Item. The government lacks sufficient data to contract with any source other than the current one, and award will be made under an existing Basic Ordering Agreement (BOA). Performance location is not specified, and no budget amount is provided. New sources must obtain Government Source Approval prior to award, and the approval timeline cannot delay the award. Offers from unapproved sources must include all data from the NAVSUP WSS Source Approval Brochure to be considered.