NSN 5640-00-285-2081

Part Details | SOUND CONTROLLING BLOCK

5640-00-285-2081 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, 5B, 5B, SSS118, SS-S-118, SSS118 TY1CL200GRNRC55ANDLR1, SS-S-118 TY1CL200GRNRC55ANDLR1, 11065839, 5640-00-285-2081, 00-285-2081, 5640002852081, 002852081

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56JAN 01, 196100-285-208120227 ( SOUND CONTROLLING BLOCK )
REFERENCE DRAWINGS & PICTURES

SCOOP BEVELED SHIPLAPPED JOINT

SCOOP BEVELED SHIPLAPPED JOINT

SCOOP BEVELED SHIPLAPPED JOINT

Cross Reference | NSN 5640-00-285-2081
Part Number Cage Code Manufacturer
ASTM-E126481346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
5B03938ARMSTRONG WORLD INDUSTRIES INC
5B4F186ARMSTRONG WORLD INDUSTRIES INCRESEARCH AND DEVELOPMENT CENTER
SS-S-11881348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
SS-S-118 TY1CL200GRNRC55ANDLR180244GENERAL SERVICES ADMINISTRATIONFEDERAL SUPPLY SERVICE
1106583918876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 5640-00-285-2081
Characteristic Specifications
BASIC MATERIAL CELLULOSE FIBER
OVERALL THICKNESS0.500 INCHES NOMINAL
COVERAGE WIDTH12.000 INCHES NOMINAL
OVERALL WIDTH12.000 INCHES NOMINAL
COVERAGE LENGTH12.000 INCHES NOMINAL
OVERALL LENGTH12.000 INCHES NOMINAL
NOISE REDUCTION COEFFICIENT RATING0.55 NOMINAL
EXPOSED FACE SURFACE TYPE PERFORATED
PERFORATION QUANTITY353.0 PER SQUARE FOOT
JOINT STYLE3 SCOOP BEVELED SHIPLAPPED JOINT
FLAMEPROOF FEATURE INCLUDED
COLOR WHITE
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 200 CLASS AND NRC55 GRADE