Product Details | FLUE DAMPER

4520-01-040-0898 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: 48IN, 4-8IN, 4520-01-040-0898, 01-040-0898, 4520010400898, 010400898

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

Supply Group (FSG) NSN Assign. NIIN
45 30 APR 1977 01-040-0898

Cross Reference | NSN 4520-01-040-0898

Part Number Cage Code Manufacturer
4-8IN 61197 TUTTLE AND BAILEY DIV ALLIED THERMAL CORP

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Technical Data | NSN 4520-01-040-0898

Characteristic Specifications
OVERALL DIAMETER 8.000 INCHES NOMINAL
OVERALL THICKNESS 1.750 INCHES NOMINAL
OVERALL HEIGHT 3.500 INCHES NOMINAL
MATERIAL STEEL
SURFACE TREATMENT PAINT
SHAPE ROUND
MOUNTING METHOD INSERTED CENTER SHAFT
OPERATION METHOD MANUAL

Restrictions/Controls & Freight Information | NSN 4520-01-040-0898

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:UPrecious metal type is unknown
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 SUB 5
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 72E unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4520-01-040-0898

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each