MIL-C-23157 Revision D, July 23, 1979
CLIPBOARD, PILOT'S, MXU-163/P AND MARK 2A
Includes all amendments and changes through Cancellation Notice 1, December 19, 1998
Additional Comments: CNCL NO S/S
This specification covers design requirements and all performance requirements for the procurement of lighted and unlighted pilot clipboards.