MIL-O-55593 1969 Edition, April 5, 1969
OVEN ASSEMBLIES, WITH QUARTZ CRYSTAL UNITS
Includes all amendments and changes through Cancellation Notice 1, October 25, 1994
Additional Comments: CNCL NO S/S
This specification covers the general requirements for non-repairable oven assemblies with integral quartz crystal units, designed for frequency control of electronic equipment.
The military part number shall consist of the letter "M", the basic number of the specification sheet, and an assigned dash number (see 3.1) as shown in the following: