A-A-50211A
February 5, 1988
SUPERSEDING
A-A-50211
July 6, 1986
COMMERCIAL ITEM DESCRIPTION
ROD, STADIA (FOLDING)
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.
Salient characteristics:
Design: The stadia rod (English graduations) shall have an overall length of 12 to 14 feet. The rod shall be provided with self locking hinges for center folding and be rigid when fully extended. The rod shall be 2-7/8 inches to 3 inches wide, and shall have black graduations against a white background with red or orange numerals, graduated in feet, tenths and 1/2 tents. The stadia rod (Metric graduations) shall have an overall length of 4 meters, shall be provided with a self locking hinge to fold at the 2 meter mark, and shall be rigid when full extended. The rod shall be 2-7/8 inches to 3 inches wide, and shall have black graduations against a white background with red or orange numerals, graduated in meters, decimeters, and centimeters. When folded, the rods shall fold flat with the sections in alignment.
Tolerances: Tolerances for the graduations shall be plus or minus 0.01 inch on decimals, and plus or minus 1/64 inch on fractions.
Materials:
Hardwood. Hardwood shall be maple or basswood and shall be free of decay, splits, streaks, checks, shakes, wane, holes, warp, and bow.
Softwood. Softwood shall be Port Orford cedar, ponderosa pine, white pine, sugar pine, or spruce. Softwood shall be free of decay, splits,
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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