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. Defense Occupational and Environmental Health Readiness System DOEHRS DTS Per Diem Rates Query Print 14796 Rate this article: 5.0 Tags: informational