Product Details | THERMAL INSULATION SLEEVING

5640-00-641-8625 A rigid or flexible item composed of one or more materials, having uniform inside and outside diameters in the entire length. It may be furnished in segments or split-round or full-round sections, composed of one or more layers. It is specifically designed to cover pipe, tubing, and like surfaces, to restrict the transfer of heat from the high temperature surface to the low temperature surface. It may also include protective coatings, jackets, attaching cement, attaching bands, and/or accessories, (excluding prefabricated components used in aircraft applications). Excludes INSULATION PIPE COVERING, THERMAL, AIRCRAFT.

Part Alternates: MILI2781, MIL-I-2781, 5640-00-641-8625, 00-641-8625, 5640006418625, 006418625

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

Supply Group (FSG) NSN Assign. NIIN
56 10 JUL 1970 00-641-8625

Demand History | NSN 5640-00-641-8625

Part Number Request Date QTY Origin
MILI2781 2010-03-63 16 United States
MILI2781 2009-05-135 1 Colombia

Cross Reference | NSN 5640-00-641-8625

Part Number Cage Code Manufacturer
MIL-I-2781 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5640-00-641-8625

Characteristic Specifications
FLEXIBILITY RIGID
LAYER QUANTITY 1
MATERIAL ANY ACCEPTABLE
FABRICATION METHOD COMPRESSED
MATERIAL DENSITY 13.0 POUNDS PER CUBIC FOOT MAXIMUM
FLAMMABILITY RATING NOT RATED
TEMP RATING 315.5 DEG CELSIUS MAXIMUM
INSULATION THICKNESS 0.812 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
INSIDE DIAMETER 1.066 INCHES MINIMUM AND 1.129 INCHES MAXIMUM
LENGTH 35.875 INCHES MINIMUM AND 36.125 INCHES MAXIMUM
DESIGN FORM SPLIT ROUND
NONDEFINITIVE SPEC/STD DATA 1 GRADE AND B CLASS
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-I-2781

Restrictions/Controls & Freight Information | NSN 5640-00-641-8625

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 M 85
Less than truck load rating W Rating Variable
Water commodity Code 561 unknown
Originating Activity Code 75 GSA, FSS/FCSC
Washington, DC 20406
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