National Item Identification Number
01-270-8997
012708997
5640-01-270-8997
5640012708997
National Stock Number
Item Name
SOUND CONTROLLING BOARD
Federal Supply Class
5640
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).
Commercial and Government Entity Code (Supplier Data)
43689
53711
Reference Numbers (Part Numbers)
1342542
607-6161809 SHEET 8 ITEM 3
Required Categories
OVERALL THICKNESS
OVERALL WIDTH
OVERALL LENGTH
SPECIAL FEATURES
CRITICALITY
Required Description
2.000 INCHES NOMINAL
24.000 INCHES NOMINAL
48.000 INCHES NOMINAL
W/O GLASS CL