A-A-50211 Revision A, February 5, 1988
RODS, STADIA (FOLDING)
Includes all amendments and changes through Validation Notice 2, September 1, 2006
The General Services Administration has authorized the use of this commercial item description in preference to Federal Specification GG-R-550.
This description covers two types of folding stadia rods:
Type I - decimal - English graduations, and Type II metric graduations.