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Sound Controlling Board NSN 5640-01-383-4979

Item Description

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).

NSN 5640-01-383-4979 NSN: 5640-01-383-4979

Features and Characteristics

Overall Length
48.000 inches
Overall Width
24.000 inches
Overall Thickness
1.500 inches
Basic Material
Polyimide foam
Coverage Width
24.000 inches
Coverage Length
48.000 inches
Noise Reduction Coefficient Rating
Between 0.25 and 0.90
Exposed Face Surface Type
Felted fiber and perforated
Flameproof Feature
Included
Nondefinitive Specification/std Data
2 type and 2 class
FSC
5640 Thermal Insulation Materials Building Paper Wallboard
NIIN
013834979
NSN
5640013834979

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
DOD-I-24688
Cage Code:
81349
Status:
A
MSDS:
Part Number:
DOD-I-24688 TY2CL2
Cage Code:
80244
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 6806900050
  • NAICS: 327993
  • SITC: 66353
  • Description: Mixtures and articles of heat-insulating sound-absorbing mineral materials, nesoi
  • End Use (Code 13210):
    Shingles, molding, wallboard

Q & A

Frequently asked questions for NSN 5640-01-383-4979
What are the manufacturers of nsn 5640013834979?
Does this nsn 5640013834979 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5640013834979
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).
Does nsn 5640013834979 contain any precious metals?
No precious metal content.
Does nsn 5640013834979 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5640013834979?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
20228
FIIG:
T230-A
App. Key:
AC
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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