Product 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).

Part Alternates: ASTM E-1264, ASTME1264, SSS118, SS-S-118, 758, 5640-00-283-3241, 00-283-3241, 5640002833241, 002833241

Construction and Building Materials | Wallboard, Building Paper, and Thermal Insulation Materials

Supply Group (FSG) NSN Assign. NIIN
56 26 AUG 1973 00-283-3241

Drawings & Photos | NSN 5640-00-283-3241


Cross Reference | NSN 5640-00-283-3241

Part Number Cage Code Manufacturer
758 03938 ARMSTRONG WORLD INDUSTRIES INC
758 4F186 ARMSTRONG WORLD INDUSTRIES INC RESEARCH AND DEVELOPMENT CENTER
ASTM E-1264 81346 AMERICAN SOCIETY FOR TESTING AND MATERIALS
SS-S-118 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5640-00-283-3241

Characteristic Specifications
BASIC MATERIAL MINERAL WOOL
OVERALL THICKNESS 0.625 INCHES NOMINAL
COVERAGE WIDTH 24.000 INCHES NOMINAL
OVERALL WIDTH 24.000 INCHES NOMINAL
COVERAGE LENGTH 48.000 INCHES NOMINAL
OVERALL LENGTH 48.000 INCHES NOMINAL
NOISE REDUCTION COEFFICIENT RATING 0.65 MINIMUM AND 0.75 MAXIMUM
EXPOSED FACE SURFACE TYPE PERFORATED
PERFORATION QUANTITY ANY ACCEPTABLE
LONG EDGE JOINT STYLE 7 BUTT JOINT
SHORT EDGE JOINT STYLE 7 BUTT JOINT
FLAMEPROOF FEATURE INCLUDED
COLOR WHITE
NONDEFINITIVE SPEC/STD DATA 3 TYPE AND C PATTERN AND 25 CLASS AND NRC65 GRADE AND LR1 GRADE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE SSS118

Restrictions/Controls & Freight Information | NSN 5640-00-283-3241

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information