MIL-S-22820/7 › Complete Document History
Servomotor-Tachometer Generator, Type 18SM-rg4d

Complete Current Edition:
   REVISION C - Servomotor-Tachometer Generator, Type 18SM-rg4d - Nov. 28, 1990
   REV C VALIDATION 1 - VALIDATION NOTICE 1 FOR REVISION C - July 30, 2014
   REV C VALIDATION 2 - VALIDATION NOTICE 2 FOR REVISION C - May 10, 2019
   REV C VALIDATION 3 - VALIDATION NOTICE 3 FOR REVISION C - March 22, 2024

Obsolete Revision Information:
   REVISION B - SERVOMOTOR TACHOMETER-GENERATO - Nov. 1, 1972