Categories: Navy (USN) NAVSEA NSDSA NSDSA is the NAVSEA and SPAWAR activity responsible for the management of technical manuals and technical services. Link to sitensdsa.nmci.navy.mil/Account requiredYes[.mil] required for accessNo NSDSA is the NAVSEA and SPAWAR activity responsible for the management of technical manuals and technical services. DTS Per Diem Rates Query EDA DoD Contract Status Print 14921 Rate this article: 5.0 Tags: informational