Model: 405-6991

Sound Controlling Board

Properties:

End Application
Engine sound shield for marine generator
Part Name Assigned By Controlling Agency
Insulation, roof, mdkbf
NSN
5640-01-514-0311
Part Number
405-6991
Description
Sound Controlling Board
CAGE
44940

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 greater than 36 inches (914.4 mm).

Part 405-6991 NSN 5640-01-514-0311

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20228
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:
A
ESD:
A
MMAC:
CRITL:
X

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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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