MIL-D-28728/2 Complete Document History
Dial, Control, Multiturn Counters, Vernier, 1.75 Diameter (Superseded by Nasm28728/2)

Complete Current Edition:
   REVISION B - DIAL, CONTROL, MULTITURN COUNT - Sept. 3, 1986
   REV B INACTIVATION 2 - INACTIVATION NOTICE 2, REV B - April 30, 1999

Obsolete Revision Information:
   REVISION A - DIAL, CONTROL, MULTITURN COUNT - Dec. 6, 1971