Model: 756A

Sound Controlling Block

Properties:

Overall Length
24.344 inches
Overall Width
24.344 inches
Overall Thickness
0.625 inches
Basic Material
Mineral wool
Coverage Width
24.000 inches
Coverage Length
24.000 inches
Noise Reduction Coefficient Rating
0.65
Exposed Face Surface Type
Fissured
Flameproof Feature
Included
NSN
5640-01-107-4940
Part Number
756A
Description
Sound Controlling Block
CAGE
4F186

A light, rigid item composed of one or more kinds of granule and/or fiber with binder added, compressed to the desired density, and dried. It may be with or without surface coating and/or perforations or voids to be exposed to the noise area to entrap and dissipate sound energy, and is rated for this use. It is provided in lengths up to and including 36 inches (914.4 mm).

Part 756A NSN 5640-01-107-4940

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20227
FIIG:
T230-A
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
103300
UFC:
53360
LTL:
RATING VARIABLE
LCL:
--
WCC:
561
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 6806900050
  • SITC: 66353
  • End Use: Shingles, molding, wallboard
  • NAICS: 327993
  • USDA: 1

Freight Class: Mixtures and articles of heat-insulating sound-absorbing mineral materials, nesoi

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