Hollow Concrete Masonry Unit

SS-C-621

SS-C-621
(NSN) National Stock Number
5620-00-297-5378
Federal Supply Classification
5620 Tile, Brick and Block
Item Name Code
07621
Schedule B Code
6810195000
Summary

8.000 inches nominal width, 16.000 inches nominal length, 1.000 inches nominal web thickness, 5.125 inches nominal cell width, 4.000 inches nominal cell length, 1.312 inches nominal shell thickness at side

DAC HCC DMIL RNCC
3 - - 5
RNVC SADC MSDS RNAAC
9 - - 75
Identification

A precast concrete block, basically rectangular, with one or more cells extending vertically through the block. It is used in the construction of masonry walls.

INC FIIG Concept Condition
07621 T344-D - 1
Specifications
Width
8.000 inches nominal
Details A measurement taken at right angles to the length of an item,in distinction from thickness.
Length
16.000 inches nominal
Details A measurement of the longest dimension of any object,in distinction from width.
Web Thickness
1.000 inches nominal
Details None.
Cell Width
5.125 inches nominal
Details None.
Cell Length
4.000 inches nominal
Details None.
Shell Thickness At Side
1.312 inches nominal
Details None.
Shell Thickness At Exposed Corner End
1.312 inches nominal
Details None.
Height
8.000 inches nominal
Details A measurement from the bottom to the top of an object,in distinction from depth.
Style Designator
corner header (three cell)
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Nondefinitive Spec/Std Data
1 type and n grade
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
ASTM C90 81346 3 - 3 1 - 75
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
- - - -
RVC WCC TCC SHC
- - - -

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Manufacturer
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
CAGE: 81348
NATL INSTITUTE STDS & TECH , MD , 20899
UNITED STATES
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FAQs
Frequently asked questions for NSN 5620-00-297-5378
What is the NIIN of the NSN 5620-00-297-5378?
The National Item Identification Number (NIIN) of the NSN 5620-00-297-5378 is 00-297-5378
When the NSN 5620-00-297-5378 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5620-00-297-5378 contain any precious metals?
Does not contain precious metal
Does the NSN 5620-00-297-5378 contain any hazardous material?
No data in HMIRS

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