Product Details | FLUE DAMPER

4520-01-538-9448 A cast iron or sheet metal plate designed to be installed in a boiler, heater, stove, or furnace flue pipe to control the draft, and/or in an air duct to control the passage of air. Excludes VALVE, BUTTERFLY.

Part Alternates: 2642-643-07 ASSY A, 264264307ASSYA, 78340586A, 78-34-0586A , 845-4675598 ASSY A, 8454675598ASSYA, 4520-01-538-9448, 01-538-9448, 4520015389448, 015389448

Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment

Supply Group (FSG) NSN Assign. NIIN
45 05 APR 2006 01-538-9448

Demand History | NSN 4520-01-538-9448

Part Number Request Date QTY Origin
4520-01-538-9448 2015-09-266 13 DIBBS
4520-01-538-9448 2014-07-198 140 DIBBS
4520-01-538-9448 2014-07-187 140 DIBBS

Cross Reference | NSN 4520-01-538-9448

Part Number Cage Code Manufacturer
2642-643-07 ASSY A 96169 ELECTRIC BOAT CORPORATION
78-34-0586A 96169 ELECTRIC BOAT CORPORATION
845-4675598 ASSY A 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4520-01-538-9448

Characteristic Specifications
OPERATION METHOD MANUAL
SPECIAL FEATURES THIS ITEM IS AN ASSEMBLY AND INCLUDES THE CONTROL HANDLE AND ALL ASSOCIATED MOUNTING PARTS
III PART NAME ASSIGNED BY CONTROLLING AGENCY INAVY DAMPER,VENT
III END ITEM IDENTIFICATION OHIO CLASS SSBN (TRIDENT)

Restrictions/Controls & Freight Information | NSN 4520-01-538-9448

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 055742 DAMPER/LOUVER/SHUTTER NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 72E unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4520-01-538-9448

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each