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 5985-01-532-4123
NSN 2925-00-149-0760
NSN 5999-00-752-4069
NSN 6240-01-328-9749
NSN 5855-00-087-7833
NSN 5910-01-270-9988
NSN 5930-01-172-2779
NSN 6135-01-435-5558
NSN 5950-00-244-0938
NSN 2925-01-228-6554
NSN 5975-01-564-2504
NSN 6130-00-844-2792