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. Container Management Tools Navy NHDSM Old ERP HEAT Print 9148 Rate this article: 5.0 Tags: informational