A-A-54466
16 August 1991
COMMERCIAL ITEM DESCRIPTION
HOOD DENTAL LABORATORY
(Grinding and Polishing Machine)
The General Services Administration has authorized the use of this Commercial Item Description.
This commercial item description covers a hood suitable for use with dental laboratory lathes when polishing with wet and dry materials.
Salient Characteristics:
Material. The entire hood and removable tray shall be fabricated from 3003 H14 aluminum as specified in ASTM Designation B209 for composition and temper only.
Design and dimensions. The design and dimensions shall be in accordance with Defense Personnel Support Center (DPSC) Drawing No. 23504. The hood shall consist of a body, removable tray, shield, lampholder adapter and a standard lampholder.
Body. The body shall consist of a bottom tray, 2 side panels, 1 back pack panel and an internal shield. The side panels shall be swedged into the back panel. The bottom tray shall be spot welded to the side and back panels. The internal shield shall be spot welded to the side panels to protect the lampholder from flying debris. The body (end item) shall be free from coarse grind marks, burrs, sharp edges, pits and feathers.
Removable tray. The tray shall fit into the bottom tray and shall be easily removed for clean up. The tray shall be free from coarse grind marks, burrs, sharp edges, pits and feathers.
Shield. The shield shall be fabricated of clear acrylic. The shield shall be from gouges, deep scratches and pits.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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