This is a sole-source procurement for 64 units of a specific pressure switch (part number C421.0162.00) from Cometto SPA. The part requires engineering source approval, and the approved source retains essential data and manufacturing knowledge not economically available to the government. Delivery locations are Silverdale, WA (98315-6499) and Kings Bay, GA (31547-2634). No budget amount or submission timeline is specified. The opportunity is limited to the approved source unless an alternate qualifies through government-approved procedures.