Structura Cellular Core Material

MIL-C-7438

MIL-C-7438
(NSN) National Stock Number
5680-00-149-1371
Federal Supply Classification
5680 Miscellaneous Construction Materials
Item Name Code
20324
Schedule B Code
-
Summary

1 unit package quantity, aluminum alloy, mil-c-7438 basic material, expanded cell condition, 1/4 in. cell size, included cell perforation, 4.3 pounds per cubic foot nominal density rating

DAC HCC DMIL RNCC
4 - - 4
RNVC SADC MSDS RNAAC
1 - - 75
Identification

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.

INC FIIG Concept Condition
20324 T232-F - 2
Specifications
Unit Package Quantity
1
Details The number of items contained in the unit package.
Basic Material
aluminum alloy, mil-c-7438
Details The element,compound,or mixture of which the basic material is fabricated. please use mrc cyen in place of this discontinued mrc.
Cell Condition
expanded
Details An indication of the structure of the cells making up the cellular core.
Cell Size
1/4 in.
Details Designates the size of the relative or proportionate dimensions of the cell.
Cell Perforation
included
Details An indication of whether or not a cell perforation feature is included.
Nominal Density Rating
4.3 pounds per cubic foot
Details A measurement of the average density per unit volume.
Cell Depth
1.012 inches nominal
Details A measurement between specified points on a cell,in distinction from height.
Ribbon Direction Dimension
35.000in.
Details The dimension measured parallel to the direction in which the continuous strip of web is laid.
Designed Ribbon Direction Dimension
35.000in.
Details The size which is attained after the core material is expanded to the full cell size.
Transverse Direction Dimension
42.000in.
Details The dimension measured parallel to the direction in which the core material is pulled by expansion.
Designed Transverse Direction Dimension
96.000in.
Details The size which is attained after the core material is expanded to the full cell size,but not overexpanded.
Nondefinitive Spec/Std Data
b grade and 1 class
Details The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
A1-1-4-5052-002P1-012-35-42 07542 4 - 3 9 - 75
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
11395 - W -
RVC WCC TCC SHC
- 671 Z 9

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Manufacturer
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 81349
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FAQs
Frequently asked questions for NSN 5680-00-149-1371
What is the NIIN of the NSN 5680-00-149-1371?
The National Item Identification Number (NIIN) of the NSN 5680-00-149-1371 is 00-149-1371
When the NSN 5680-00-149-1371 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Wed, Feb 12, 1975
Does the NSN 5680-00-149-1371 contain any precious metals?
Does not contain precious metal
Does the NSN 5680-00-149-1371 contain any hazardous material?
No information in HMIRS

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