Presolicitation notice from the Department of Defense, Department of the Navy, for the procurement of a rotary switch. The switch is classified under the industry category of switches with the PSC code 5930. The notice specifies that the switch is required in a quantity of 30 each. The delivery locations are W25G1U, W1A8 DLA Distribution in New Cumberland, PA 17070-5002, and W62G2T, W1A8 DLA DIST SAN JOAQUIN in Tracy, CA 95304-5000. The switch requires engineering source approval from the design control activity to maintain its quality. The approved source(s) retain data rights, manufacturing/repair knowledge, or technical data that are not economically available to the Government. Interested parties may obtain additional documents and information from the DoD Single Stock Point (DODSSP) in Philadelphia, PA. The Government is not using the policies contained in FAR Part 12 for this solicitation, but interested persons may identify their interest and capability to satisfy the requirement with a commercial item within 15 days of this notice.