Product Details | SOUND CONTROLLING BOARD

5640-01-383-4979 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: DODI24688, DOD-I-24688, DOD-I-24688 TY2CL2, DODI24688TY2CL2, 5640-01-383-4979, 01-383-4979, 5640013834979, 013834979

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

Supply Group (FSG) NSN Assign. NIIN
56 25 NOV 1993 01-383-4979

Demand History | NSN 5640-01-383-4979

Part Number Request Date QTY Origin
5640-01-383-4979 2016-01-18 8 MANUAL
5640-01-383-4979 2016-01-13 8 MANUAL
5640-01-383-4979 2012-04-111 1 US

Cross Reference | NSN 5640-01-383-4979

Part Number Cage Code Manufacturer
DOD-I-24688 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
DOD-I-24688 TY2CL2 80244 GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE

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Technical Data | NSN 5640-01-383-4979

Characteristic Specifications
BASIC MATERIAL POLYIMIDE FOAM
OVERALL THICKNESS 1.500 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 0.25 MINIMUM AND 0.90 MAXIMUM
EXPOSED FACE SURFACE TYPE FELTED FIBER AND PERFORATED
FLAMEPROOF FEATURE INCLUDED
NONDEFINITIVE SPEC/STD DATA 2 TYPE AND 2 CLASS
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE DOD-I-24688

Restrictions/Controls & Freight Information | NSN 5640-01-383-4979

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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

Management | NSN 5640-01-383-4979

Category Code Description
Cognizance Codes9QNavy-owned stocks of items accepted by the General Services Administration for support of Navy requirements
Naval Inventory Control Point, Mechanicsburg
Source of SupplyGSAGeneral Services Administration
Washington, D.C. 20406
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative