A-A-51644
9 March 1987
COMMERCIAL ITEM DESCRIPTION
BELT, ROUND, (Engine)
The General Services Administration has authorized the use of the Commercial Item Description in preference to Interim Federal Specification JJ-B-00178C (DSA-DM).
This Commercial Item Description covers four round, all cord, dental engine belts suitable for power transferred from dental engines to dental handpieces. These belts will be designated by size numbers.
Size No. 1 - 11 foot, O inch
Size No. 2 - 9 foot, 4 inch
Size No. 3 - 9 foot, 10 inch
Size No. 4 - 6 foot, 6 inch
Salient Characteristics:
Material. The belts shall be fabricated from linen or semiglazed cotton cord, composed of 3-ply or 4-ply number 16 thread, and suitable for the purpose intended.
Description. The belts shall be round, all-cord belts, suitable for transferring power from dental engines to dental handpieces. The cord shall be so braided and interwoven as to form a continuous unspliced round belt with a substantially uniform 0.1 inch diameter throughout its entire length. The design and fabrication shall be such as to minimize slipping of the belt on the pulley.
Length. The belts shall be furnished in the lengths and tolerances shown in table 1 for the applicable size. Length shall be measured as specified herein.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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