E.S.D. Critical unit
An item designed for electronic and/or mechanical encryption or information of single signals in order to ensure permanent and secure protection against decryption, and/or designed for decryption of information or single signals.
Classification: Other instruments and apparatus, specially designed for telecommunications (for examle, cross-talk meters, gain measuring instruments etc)
NSN 5999-00-404-3079
NSN 5990-00-689-5736
NSN 6130-01-496-7959
NSN 6110-01-579-0667
NSN 5960-01-502-0344
NSN 6105-00-578-0973
NSN 6130-01-415-6051
NSN 5950-01-634-0677
NSN 5990-01-442-3520
NSN 6240-01-104-5085
NSN 5895-00-195-2751
NSN 5999-01-104-8984