NSN 5640-00-868-6139

Part Details | SOUND CONTROLLING BOARD

5640-00-868-6139 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: SSS00118, 5640-00-868-6139, 00-868-6139, 5640008686139, 008686139

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
56OCT 27, 196700-868-613920228 ( SOUND CONTROLLING BOARD )
REFERENCE DRAWINGS & PICTURES

BUTT JOINT

BUTT JOINT

BUTT JOINT

Cross Reference | NSN 5640-00-868-6139
Part Number Cage Code Manufacturer
SSS0011881348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5640-00-868-6139
Characteristic Specifications
BASIC MATERIAL MINERAL WOOL
OVERALL THICKNESS0.750 INCHES NOMINAL
COVERAGE WIDTH23.750 INCHES NOMINAL
OVERALL WIDTH24.000 INCHES NOMINAL
COVERAGE LENGTH47.750 INCHES NOMINAL
OVERALL LENGTH48.000 INCHES NOMINAL
NOISE REDUCTION COEFFICIENT RATING0.80 NOMINAL
EXPOSED FACE SURFACE TYPE FELTED FIBER
LONG EDGE JOINT STYLE BUTT JOINT
SHORT EDGE JOINT STYLE BUTT JOINT
FLAMEPROOF FEATURE INCLUDED
COLOR WHITE
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 2 GRADE AND 25 CLASS AND F PATTERN