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 5895-01-381-3328
NSN 7035-01-145-5059
NSN 5998-01-099-8302
NSN 6645-01-126-3969
NSN 6110-01-390-6748
NSN 5920-00-110-5477
NSN 6145-01-451-1314
NSN 5835-00-326-8956
NSN 5895-01-454-8714
NSN 6620-01-200-6493
NSN 5985-01-270-6753
NSN 6150-01-380-9723