MIL-C-23157D, MILITARY SPECIFICATION: CLIPBOARD, PILOT'S, MXU-163/P AND MARK 2A (23-JUL-1979)

MIL-C-23157D, MILITARY SPECIFICATION: CLIPBOARD, PILOT'S, MXU-163/P AND MARK 2A (23-JUL-1979)., This specification covers design requirements and all performance requirements for the procurement of lighted and unlighted pilot clipboards.