National Stock Number:
5640-66-159-1316
Federal Supply Class:
5640
National Item Identification Number:
661591316
Description:
SOUND CONTROLLING B
Detail:
A MATERIAL COMPOSED OF ONE OR MORE KINDS OF FIBER WITHOUT BINDER ADDED, MANUFACTURED IN FLAT SHEETS OR ROLLS. IT IS DESIGNED TO ENTRAP AND DISSIPATE SOUND ENERGY, AND MUST BE RATED FOR THIS USE.
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