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		                        | National Stock Number:
 5640-01-486-2169
 
 Federal Supply Class:
 5640
 
 National Item Identification Number:
 014862169
 
 Description:
 SOUND CONTROLLING BLANKET
 
 Detail:
 A material composed of one or more kinds of fiber, with or without binder added, reinforced on one or both sides with various confining media suitably bound thereto. It is designed to entrap and dissipate sound energy, and must be rated for this use.
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 Manufacturer Information:
 
 | 145E4020-45 | 77272 | THE BOEING COMPANY | 
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