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 4140-00-772-5244
NSN 5855-01-100-3272
NSN 6135-00-477-8847
NSN 6320-01-504-3948
NSN 5965-01-258-5662
NSN 6105-01-523-9973
NSN 5945-01-460-0963
NSN 5960-00-441-5147
NSN 6610-00-609-7168
NSN 6135-01-303-0295
NSN 5985-00-785-6872
NSN 6135-01-439-6229