MIL-H-10056/19 1968 Edition, February 14, 1968
HOLDER, CRYSTAL, TYPE HC-1A/U
Includes all amendments and changes through Cancellation Notice 3, July 3, 1997
Additional Comments: CNCL NO S/S
The complete requirements for procuring the crystal holder described herein shall consist of this document and the latest issue of MIL-H-10056.
This specification is mandatory for use by all Departments and Agencies of the Department of Defense.