4920-00-398-3263 SUPPORT,LINER TUBES Index 4920-00-398-3270 SPREADER ASSEMBLY,B

National Stock Number:
5640-00-398-3264

Federal Supply Class:
5640

National Item Identification Number:
003983264

Description:
SOUND CONTROLLING BOARD

Detail:
A LIGHT, RIGID ITEM COMPOSED OF ONE OR MORE KINDS OF GRANULE AND/OR FIBER WITH BINDER ADDED, COMPRESSED TO THE DESIRED DENSITY, AND DRIED. 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, AND IS RATED FOR THIS USE. IT IS PROVIDED IN LENGTHS GREATER THAN 36 INCHES (914.4 MM).


Manufacturer Information:
FIRESHIELDS0LITUDE85074NATIONAL GYPSUM CO
MF936085074NATIONAL GYPSUM CO
SSS11881348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


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