National Item Identification Number
01-459-7821
014597821
5640-01-459-7821
5640014597821
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)
53711
Reference Numbers (Part Numbers)
DC215927230
Required Categories
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION
Required Description
MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG