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Worldwide distributor of NSN parts and consumables located in the USA.

Hollow Concrete Masonry Unit

Model / MPN: SS-C-621 | NSN: 5620-00-297-5378
ITAR Registered seal

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.

Product Details
NATO Stock Number
5620-00-297-5378
Sold in multiples of
EA
DEMIL
NO
Width
8.000 inches
Length
16.000 inches
Web Thickness
1.000 inches
Cell Width
5.125 inches
Cell Length
4.000 inches
Shell Thickness At Side
1.312 inches
Shell Thickness At Exposed Corner End
1.312 inches
Height
8.000 inches
Style Designator
Corner header (three cell)
Nondefinitive Specification/std Data
1 type and n grade

Pricing and Availability

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SS-C-621 Cross Reference
  • ASTM C90