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National Stock Number:
5640-01-280-2536
Federal Supply Class:
5640
National Item Identification Number:
012802536
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).
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Manufacturer Information:
| 770 | 03938 | ARMSTRONG WORLD INDUSTRIES INC |
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Techincal Specification:
| BASIC MATERIAL | MINERAL FIBER | | COLOR | WHITE | | COVERAGE LENGTH | 24.000 INCHES NOMINAL | | COVERAGE WIDTH | 24.000 INCHES NOMINAL | | EXPOSED FACE SURFACE TYPE | PERFORATED | | FLAMEPROOF FEATURE | INCLUDED | | LONG EDGE JOINT STYLE | BUTT JOINT | | OVERALL LENGTH | 24.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.625 INCHES NOMINAL | | OVERALL WIDTH | 24.000 INCHES NOMINAL | | NOISE REDUCTION COEFFICIENT RATING | 0.50 NOMINAL AND 0.60 MAXIMUM | | SHORT EDGE JOINT STYLE | BUTT JOINT | | UNIT PACKAGE TYPE | BOX |
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