National Stock Number:
5640-66-159-1317
Federal Supply Class:
5640
National Item Identification Number:
661591317
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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