Part Details | SOUND CONTROLLING BLOCK
5640-01-107-4940 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).
Alternate Parts: ASTM E1264, 756A, 756A, 5640-01-107-4940, 01-107-4940, 5640011074940, 011074940
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 56 | FEB 07, 1981 | 01-107-4940 | 20227 ( SOUND CONTROLLING BLOCK ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5640-01-107-4940
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ASTM E1264 | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| 756A | 03938 | ARMSTRONG WORLD INDUSTRIES INC |
| 756A | 4F186 | ARMSTRONG WORLD INDUSTRIES INCRESEARCH AND DEVELOPMENT CENTER |
Technical Data | NSN 5640-01-107-4940
| Characteristic | Specifications |
|---|---|
| BASIC MATERIAL | MINERAL WOOL |
| OVERALL THICKNESS | 0.625 INCHES NOMINAL |
| COVERAGE WIDTH | 24.000 INCHES NOMINAL |
| OVERALL WIDTH | 24.344 INCHES NOMINAL |
| COVERAGE LENGTH | 24.000 INCHES NOMINAL |
| OVERALL LENGTH | 24.344 INCHES NOMINAL |
| NOISE REDUCTION COEFFICIENT RATING | 0.65 NOMINAL |
| EXPOSED FACE SURFACE TYPE | FISSURED |
| FLAMEPROOF FEATURE | INCLUDED |