. . . . . "Test set, electric surge arrestors TS-3684/T (part of telephone AN/TTC-39 and circuit switch AN/TYC-39)"@en . "Handbooks and manuals"@en . "Hand receipt covering contents of components of end item (COEI), basic issue items (BII), and additional authorization list (AAL) for test set, electric surge arrestors TS-3684/T (part of telephone AN/TTC-39 and circuit switch AN/TYC-39)"@en . . . . . .