NAVSUP WSS Philadelphia intends to sole-source the purchase of a SWITCH, RF TRANS LIN (NSN 1R-4920-014739598-A9) from RLC ELECTRONICS INC, the only known OEM with rights to the required data. Delivery is FOB Origin, and the government does not own the data needed for other sources to compete. Interested parties must submit a Source Approval Request (SAR) if not already approved, but the procurement will not be delayed for SAR approval. The solicitation is expected to be issued around 7 May 2026, with proposals due by 4 June 2026, and an anticipated award date of 31 July 2026. No budget amount is specified, and the place of performance is not stated.