035305 TM 11-6625-2909-14 Operator's, Organiation, Direct Support and General Support Maintenance Manual for AN/USM-48 Signal Generator (HP Model 628A) 15 to 21 GHz.
035499 TM 11-6625-2909-24P  Organizational Direct Support, and General Support Maintenance Repair Parts and Special Tools Lists for AN/USM-48 Signal Generator (HP Model 628A) 15 to 21 GHz.
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