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5640-01-178-5639
Thermal Insulation Block
5640011785639 011785639 CM311-304
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. View more Thermal Insulation Block
November 2023
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Restrictions 5640-01-178-5639
5640-01-178-5639 is a Thermal Insulation Block 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.
Approved Sources 5640-01-178-5639
- Part Number
- Manufacturer
- Status
- CM311-304
- Manufacturer
- 70347 - American Aviation Mfg Corp (Obsolete)
- Primary Buy
- Primary Buy