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5640-00-171-5979
Thermal Insulation Sleeving
5640001715979 001715979 HH1523CLASS2 HHI523
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. View more Thermal Insulation Sleeving
November 2023
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Restrictions 5640-00-171-5979
5640-00-171-5979 is a Thermal Insulation Sleeving that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item may be hazardous as it is in a Federal Supply Class for potentially hazardous items. A MSDS should be available from the supplier for the end user to evaluate any hazards. This item does not contain a precious metal.
End Users 5640-00-171-5979
- NASA (G900)
- Effective Date:
- 1 Apr 1991
Approved Sources 5640-00-171-5979
- Part Number
- Manufacturer
- Status
- HH1523CLASS2
- Manufacturer
- 81348 - Federal Specifications (Active)
- Incomplete Standard
- Incomplete Standard
- HHI523
- 81348 - Federal Specifications (Active)
- Incomplete Standard
- Incomplete Standard
Datasheet 5640-00-171-5979
- Characteristic
- Specifications
- Fabrication Method [AARN]
- Specifications
- Molded
- Material [MATT]
- Calcium Silicate
- Nondefinitive Spec/Std Data [ZZZT]
- 2 Type And A Class
- Inside Diameter [AARX]
- 1.900 Inches Nominal
- Installation Furnished Items [AASC]
- Attaching Bands
- Insulation Thickness [AARU]
- 1.500 Inches Nominal
- Jacket Material [AARR]
- Cotton Sheeting
- Layer Quantity [AARM]
- 1
- Length [ABRY]
- 36.000 Inches Nominal
- Temp Rating [AZKQ]
- 643.3 Deg Celsius Maximum
NATO Stock Numbers Related to 5640-00-171-5979
Freight Information 5640-00-171-5979
5640-00-171-5979 has freight characteristics.. 5640-00-171-5979 has a variance between NMFC and UFC when transported by rail and the description should be consulted.