National Stock Number:
5640-01-449-0973
Federal Supply Class:
5640
National Item Identification Number:
014490973
Description:
SOUND CONTROLLING PANEL
Detail:
CONSISTS OF A RIGID, BOX SHAPED OUTER PANEL, SOUND CONTROLLING BATT, SOUND CONTROLLING BOARD AND/OR SOUND CONTROLLING BLOCK. IT MAY BE WITH OR WITHOUT SURFACE COATING AND/OR PERFORATIONS OR VOIDS TO BE EXPOSED TO THE NOISE AREA TO ENTRAP AND DISSIPATE SOUND ENERGY.
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