MIL-S-22820 Complete Document History
Servomotor-Tachometer Generator, Ac; General Specification For

Complete Current Edition:
   REVISION B - SERVOMOTOR-TACHOMETER GENERATO - Nov. 28, 1990
   REV B VALIDATION 1 - VALIDATION NOTICE 1 FOR REVISION B - Aug. 23, 2019

Obsolete Revision Information:
   REVISION A - SERVOMOTOR-TACHOMETER GENERATO - March 3, 1966