Presolicitation notice from the Department of Defense, Department of the Navy, for the procurement of a Cylinder Assembly, T. This item is typically used for aircraft launching equipment. The notice states that the part requires engineering source approval and can only be acquired from the approved source(s) due to their unique design capability and technical data. Government source approval is required prior to contract award. Interested parties must submit the necessary information for source approval. The notice also provides links to the NAVSUP Weapon Systems Support (NAVSUP WSS) Source Approval Information Brochures for spares and repair. The proposed contract action is for supplies or services for which the Government intends to solicit and negotiate with only one source. All responsible sources may identify their interest and capability to respond to the requirement. The Government will consider all proposals received within 45 days (30 days if award is issued under an existing Basic Ordering Agreement) after the date of publication of this synopsis. The Government will make an award only if the offeror, the product/service, or the manufacturer meets the qualification requirements at the time of award. The notice also mentions that the Government is not using the policies contained in FAR Part 12 for the solicitation, but interested persons may identify their interest and capability to satisfy the Government's requirement with a commercial item within 15 days of this notice.