This is a sole-source notice for an NSN item (6685-017341193-D4, quantity 70) with delivery to Portsmouth Naval Shipyard in Kittery, ME. All responsible sources may identify their interest and capability, though the government intends to negotiate with only one source under FAR 6.302-1. Proposals or capability statements submitted in response to this notice will be considered, but this is not a request for competitive proposals. No budget amount is specified. The government will determine whether to conduct a competitive procurement based on responses received.