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5680-00-137-5639
Structural Cellular Core Material
5680001375639 001375639 MIL-H-21040
A light durable material having a cellular core of uniform geometric shapes. It is primarily used for, but not limited to, aircraft structure, such as fuselages, control surfaces, compartments, radomes, and the like. For items with a metallic or nonmetallic facing see PANEL, STRUCTURAL, AIRCRAFT. View more Structural Cellular Core Material
November 2023
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-5639 RQST NE Updated Every Day 5680-00-137-5639 RQST Updated Every Day 5680-00-137-5639 RQST NE Related
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Restrictions 5680-00-137-5639
5680-00-137-5639 is a Structural Cellular Core Material 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.
Approved Sources 5680-00-137-5639
- Part Number
- Manufacturer
- Status
- MIL-H-21040
- Manufacturer
- 81349 - Military Specifications (Active)
- Incomplete Standard
- Incomplete Standard