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 5996-01-127-5431
NSN 7035-01-357-0435
NSN 5910-01-462-2195
NSN 5960-01-352-0451
NSN 5835-01-528-7454
NSN 5975-01-418-9270
NSN 2925-01-263-2012
NSN 5998-01-433-7419
NSN 4140-01-468-4689
NSN 6135-01-141-4916
NSN 5965-00-147-3070
NSN 6105-00-108-1648