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.dc3n.navy.milAccount requiredYes[.mil] required for accessNo NSDSA is the NAVSEA and SPAWAR activity responsible for the management of technical manuals and technical services. Army Knowledge On-Line Portal AKO NAVSUP WSS Asset Visibility Print 25428 Rate this article: 5.0 Tags: informational