Part Details | SOUND CONTROLLING BLOCK
5640-01-070-8440 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: ASTME1264, ASTM-E1264, SSS118, SS-S-118, SSS118 TY3PNDCL25, SS-S-118 TY3PNDCL25, 5640-01-070-8440, 01-070-8440, 5640010708440, 010708440
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 56 | JAN 20, 1979 | 01-070-8440 | 20227 ( SOUND CONTROLLING BLOCK ) |
REFERENCE DRAWINGS & PICTURES
SHIPLAPPED JOINT
SHIPLAPPED JOINT
SHIPLAPPED JOINT
Cross Reference | NSN 5640-01-070-8440
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ASTM-E1264 | 81346 | AMERICAN SOCIETY FOR TESTING ANDMATERIALS |
| SS-S-118 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| SS-S-118 TY3PNDCL25 | 80244 | GENERAL SERVICES ADMINISTRATIONFEDERAL SUPPLY SERVICE |
Technical Data | NSN 5640-01-070-8440
| Characteristic | Specifications |
|---|---|
| BASIC MATERIAL | MINERAL FIBER |
| OVERALL THICKNESS | 0.625 INCHES NOMINAL |
| COVERAGE WIDTH | 12.000 INCHES NOMINAL |
| OVERALL WIDTH | 12.000 INCHES NOMINAL |
| COVERAGE LENGTH | 12.000 INCHES NOMINAL |
| OVERALL LENGTH | 12.000 INCHES NOMINAL |
| NOISE REDUCTION COEFFICIENT RATING | 0.55 NOMINAL |
| EXPOSED FACE SURFACE TYPE | FISSURED AND PERFORATED |
| PERFORATION QUANTITY | 1462.0 PER SQUARE FOOT |
| JOINT STYLE | 3 SHIPLAPPED JOINT |
| FLAMEPROOF FEATURE | INCLUDED |
| COLOR | WHITE |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND D PATTERN AND 25 CLASS |