Product Details | THERMAL INSULATION SLEEVING

5640-00-951-0248 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: HHI558, HH-I-558, HH-I-558 FMDTY3CL12, HHI558FMDTY3CL12, FIBERGLASPIPEINSULATI0N, 5640-00-951-0248, 00-951-0248, 5640009510248, 009510248

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

Supply Group (FSG) NSN Assign. NIIN
56 01 JAN 1962 00-951-0248

Cross Reference | NSN 5640-00-951-0248

Part Number Cage Code Manufacturer
FIBERGLASPIPEINSULATI0N 45255 OWENS CORNING OCV
HH-I-558 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
HH-I-558 FMDTY3CL12 80244 GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE

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Technical Data | NSN 5640-00-951-0248

Characteristic Specifications
FLEXIBILITY RIGID
LAYER QUANTITY 1
MATERIAL GLASS FIBER
FABRICATION METHOD MOLDED
MATERIAL DENSITY 12.0 POUNDS PER CUBIC FOOT MAXIMUM
FLAMMABILITY RATING SELF-EXTINGUISHING, FIRE RETARDANT
JACKET MATERIAL COTTON CANVAS, STANDARD
OUTER COVERING ENVIRONMENTAL PROTECTION NOT RATED
TEMP RATING 188.0 DEG CELSIUS MAXIMUM
INSULATION THICKNESS 0.906 INCHES MINIMUM AND 1.094 INCHES MAXIMUM
INSIDE DIAMETER 0.840 INCHES NOMINAL
LENGTH 35.875 INCHES MINIMUM AND 36.125 INCHES MAXIMUM
DESIGN FORM SPLIT ROUND
INSTALLATION FURNISHED ITEMS BRASS ATTACHING BANDS
NONDEFINITIVE SPEC/STD DATA D FORM AND 3 TYPE AND 12 CLASS
DEPARTURE FROM CITED DESIGNATOR AS MOD BY INSTALLATION ITEMS FURNISHED
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE HH-I-558

Restrictions/Controls & Freight Information | NSN 5640-00-951-0248

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