National Item Identification Number
00-252-2321
002522321
5640-00-252-2321
5640002522321
National Stock Number
Item Name
SOUND CONTROLLING BLOCK
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 up to and including 36 inches (914.4 mm).
Commercial and Government Entity Code (Supplier Data)
80063
Reference Numbers (Part Numbers)
SMC641925
Required Categories
Required Description