Part Details | SOUND CONTROLLING BLOCK
5640-01-459-7821 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).
Alternate Parts: DC215927230, 5640-01-459-7821, 01-459-7821, 5640014597821, 014597821
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 56 | OCT 14, 1998 | 01-459-7821 | 20227 ( SOUND CONTROLLING BLOCK ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5640-01-459-7821
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| DC215927230 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5640-01-459-7821
| Characteristic | Specifications |
|---|---|
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |