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National Stock Number:
5640-00-868-6139
Federal Supply Class:
5640
National Item Identification Number:
008686139
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:
| SSS00118 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| COLOR | WHITE | | COVERAGE LENGTH | 47.750 INCHES NOMINAL | | COVERAGE WIDTH | 23.750 INCHES NOMINAL | | EXPOSED FACE SURFACE TYPE | FELTED FIBER | | FLAMEPROOF FEATURE | INCLUDED | | LONG EDGE JOINT STYLE | BUTT JOINT | | MATERIAL | MINERAL FIBER BASIC | | NOISE REDUCTION COEFFICIENT RATING | 0.80 NOMINAL | | NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 2 GRADE AND 25 CLASS AND F PATTERN | | OVERALL LENGTH | 48.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.750 INCHES NOMINAL | | OVERALL WIDTH | 24.000 INCHES NOMINAL | | SHORT EDGE JOINT STYLE | BUTT JOINT |
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