Product Details | THERMAL INSULATION BLOCK

5640-00-267-1580 A rigid item designed to provide low thermal conductivity. It is composed of one or more kinds of granules and/or fiber with binder added, and has no specific surface perforations, fissures, slots or the like. It is supplied in lengths up to and including 36 inches (914.4 mm). For longer items, see INSULATION BOARD, THERMAL. Excludes BUILDING BOARD (as modified); MILLBOARD, ASBESTOS; ASBESTOS SHEET, COMPRESSED; CORK SHEET; CORK AND RUBBER SHEET; and FIBERBOARD (as modified). See also INSULATION BLANKET, THERMAL.

Part Alternates: MILI2819, MIL-I-2819, MILPRF2819, MIL-PRF-2819, 5640-00-267-1580, 00-267-1580, 5640002671580, 002671580

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

Supply Group (FSG) NSN Assign. NIIN
56 01 JAN 1961 00-267-1580

Drawings & Photos | NSN 5640-00-267-1580


Demand History | NSN 5640-00-267-1580

Part Number Request Date QTY Origin
MILPRF2819 2022-10-285 100 UK

Cross Reference | NSN 5640-00-267-1580

Part Number Cage Code Manufacturer
MIL-I-2819 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-2819 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5640-00-267-1580

Characteristic Specifications
MATERIAL ANY ACCEPTABLE
OVERALL THICKNESS 1.438 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
COVERAGE WIDTH 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM
OVERALL WIDTH 2.938 INCHES MINIMUM AND 3.062 INCHES MAXIMUM
COVERAGE LENGTH 17.875 INCHES MINIMUM AND 18.125 INCHES MAXIMUM
OVERALL LENGTH 17.875 INCHES MINIMUM AND 18.125 INCHES MAXIMUM
MAXIMUM THERMAL CONDUCTIVITY 0.40 AT 200 DEGREE FAHRENHEIT; 0.45 AT 300 DEGREE FAHRENHEIT; 0.50 AT 400 DEGREE FAHRENHEIT
LONG EDGE JOINT STYLE 7 BUTT JOINT
SHORT EDGE JOINT STYLE 7 BUTT JOINT
FLAMEPROOF FEATURE NOT INCLUDED
WATER REPELLENT COATED SURFACE NOT PROVIDED
ONE SIDE DECORATION PROVISION NOT PROVIDED
TEMP RATING 600.0 DEG FAHRENHEIT
DENSITY RATING 14.0 POUNDS PER CUBIC FOOT
NONDEFINITIVE SPEC/STD DATA 1 CLASS
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-I-2819

Restrictions/Controls & Freight Information | NSN 5640-00-267-1580

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
NMF Description 103300 INSULATING MATERIAL NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 561 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5640-00-267-1580

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative