NSN 5640-00-283-3241

Part Details | SOUND CONTROLLING BOARD


5640-00-283-3241 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).

Alternate Parts: ASTM E1264, ASTM E-1264, 758, 758, SSS118, SS-S-118, 5640-00-283-3241, 00-283-3241, 5640002833241, 002833241

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56AUG 26, 197300-283-324120228 ( SOUND CONTROLLING BOARD )
REFERENCE DRAWINGS & PICTURES

BUTT JOINT

BUTT JOINT

BUTT JOINT


Cross Reference | NSN 5640-00-283-3241
Part Number Cage Code Manufacturer
ASTM E-126481346AMERICAN SOCIETY FOR TESTING ANDMATERIALS
75803938ARMSTRONG WORLD INDUSTRIES INC
7584F186ARMSTRONG WORLD INDUSTRIES INCRESEARCH AND DEVELOPMENT CENTER
SS-S-11881348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES

Technical Data | NSN 5640-00-283-3241
Characteristic Specifications
BASIC MATERIAL MINERAL WOOL
OVERALL THICKNESS0.625 INCHES NOMINAL
COVERAGE WIDTH24.000 INCHES NOMINAL
OVERALL WIDTH24.000 INCHES NOMINAL
COVERAGE LENGTH48.000 INCHES NOMINAL
OVERALL LENGTH48.000 INCHES NOMINAL
NOISE REDUCTION COEFFICIENT RATING0.65 MINIMUM AND 0.75 MAXIMUM
EXPOSED FACE SURFACE TYPE PERFORATED
LONG EDGE JOINT STYLE BUTT JOINT
SHORT EDGE JOINT STYLE BUTT JOINT
FLAMEPROOF FEATURE INCLUDED
COLOR WHITE
NONDEFINITIVE SPEC/STD DATA3 TYPE AND C PATTERN AND 25 CLASS AND NRC65 GRADE AND LR1 GRADE