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National Stock Number:
5640-00-990-1527
Federal Supply Class:
5640
National Item Identification Number:
009901527
Description:
SOUND CONTROLLING BLOCK
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 UP TO AND INCLUDING 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:
| BASIC MATERIAL | MINERAL WOOL | | COLOR | WHITE | | COVERAGE LENGTH | 24.000 INCHES NOMINAL | | COVERAGE WIDTH | 12.000 INCHES NOMINAL | | EXPOSED FACE SURFACE TYPE | FISSURED | | FLAMEPROOF FEATURE | INCLUDED | | NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 3 GRADE AND 25 CLASS AND B PATTERN | | OVERALL LENGTH | 24.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.750 INCHES NOMINAL | | OVERALL WIDTH | 12.000 INCHES NOMINAL | | LONG EDGE JOINT STYLE | BUTT JOINT | | NOISE REDUCTION COEFFICIENT RATING | 0.70 NOMINAL | | SHORT EDGE JOINT STYLE | BUTT JOINT |
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