National Item Identification Number
01-147-9962
011479962
5640-01-147-9962
5640011479962
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)
19207
Reference Numbers (Part Numbers)
12287291
Required Categories
BASIC MATERIAL
OVERALL WIDTH
OVERALL LENGTH
NOISE REDUCTION COEFFICIENT RATIN
Required Description
STEEL
15.310 INCHES NOMINAL
38.969 INCHES NOMINAL
NOT RATED
NOT INCLUDED