Part Details | SOUND CONTROLLING BLOCK
5640-00-990-1527 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: SSS00118, 5640-00-990-1527, 00-990-1527, 5640009901527, 009901527
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 56 | NOV 16, 1966 | 00-990-1527 | 20227 ( SOUND CONTROLLING BLOCK ) |
REFERENCE DRAWINGS & PICTURES
BUTT JOINT
BUTT JOINT
BUTT JOINT
Cross Reference | NSN 5640-00-990-1527
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SSS00118 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5640-00-990-1527
| Characteristic | Specifications |
|---|---|
| BASIC MATERIAL | MINERAL WOOL |
| OVERALL THICKNESS | 0.750 INCHES NOMINAL |
| COVERAGE WIDTH | 12.000 INCHES NOMINAL |
| OVERALL WIDTH | 12.000 INCHES NOMINAL |
| COVERAGE LENGTH | 24.000 INCHES NOMINAL |
| OVERALL LENGTH | 24.000 INCHES NOMINAL |
| NOISE REDUCTION COEFFICIENT RATING | 0.70 NOMINAL |
| EXPOSED FACE SURFACE TYPE | FISSURED |
| LONG EDGE JOINT STYLE | BUTT JOINT |
| SHORT EDGE JOINT STYLE | BUTT JOINT |
| FLAMEPROOF FEATURE | INCLUDED |
| COLOR | WHITE |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 3 GRADE AND 25 CLASS AND B PATTERN |