MIL-F-55171 › Complete Document History
Frequency Meter an/USM-159( ) (Basic Units of) (No Superseding Document)


Obsolete Revision Information:
   CAN NOT 1 - FREQUENCY METER AN/USM-159( - July 11, 1986
   AMENDMENT 1 - FREQUENCY METER AN/USM-159( - May 25, 1973
   REVISION A - FREQUENCY METER AN/USM-159( - Feb. 28, 1969