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National Stock Number:
5640-21-914-7546
Federal Supply Class:
5640
National Item Identification Number:
219147546
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:
| 10554419 | 56161 | GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION |
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Techincal Specification:
| III BASIC MATERIAL | MINERAL FIBER | | OVERALL LENGTH | 990.0 MILLIMETERS NOMINAL | | OVERALL THICKNESS | 1.500 INCHES NOMINAL | | OVERALL WIDTH | 570.0 MILLIMETERS NOMINAL | | SPECIAL FEATURES | 48 KG/CUBIC METER DENSITY,ALUMINUM FOIL CLAD ON ONE SIDE |
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