[INCH-POUND]
A-A-2076A
January 8, 1998
SUPERSEDES
A-A-2076
May 2, 1983
COMMERCIAL ITEM DESCRIPTION
BRUSH, DUSTING, LENS
The General Services Administration has authorized the use of this Commercial Item Description by all Federal agencies.
1. SCOPE. This commercial item description (CID) covers soft bristle paint brush style brushes for dusting lenses and negatives.
2. CLASSIFICATION. The brush shall be one of the following types:
Type 1- 1 inch (2.5 cm) wide
Type 2- 3 inches (7.6 cm) wide
3. SALIENT CHARACTERISTICS
3.1 Material.
3.1.1 Filler. The filler shall be a blend of 40% soft horsehair and 60% soft ox ear hair. The hair shall be thoroughly washed and sterilized using boiling water, dry heat, or autoclaving. The hair shall not be artificially colored.
3.1.2 Block. The block shall be a closed grained and straight grained wood, or general purpose impact resistant plastic.
3.1.3 Ferrule. The ferrule shall be a metal that is either corrosion resistant or plated to resist corrosion, and is a minimum of 0.013 inch (0.33 mm) thick.
3.2 Construction. The brush shall have the general shape depicted in figure 1 and shall meet the dimensions specified in table I. The handle, ferrule, and setting compound with imbedded filler shall be securely fastened together so that they cannot be separated by hand.
3.3 Workmanship. The brushes shall be of good commercially quality suitable for the purpose intended, which is to clean dust off delicate surfaces. The filaments shall be secured to the handles in such a manner that they are not easily separated from the handle by pulling with the fingers. The handles shall not present any sharp edges or points to the user.
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