Product Details | FLUE DAMPER

4520-01-549-4172 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: N-2131 REV D, N2131REVD, N68G201816RSS440, N68G-20-18-16-R-SS-440, 4520-01-549-4172, 01-549-4172, 4520015494172, 015494172

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

Supply Group (FSG) NSN Assign. NIIN
45 20 MAR 2007 01-549-4172

Demand History | NSN 4520-01-549-4172

Part Number Request Date QTY Origin
N68G-20-18-16-R-SS-440 2023-08-221 16 DIBBS
N68G-20-18-16-R-SS-440 2023-01-11 5 DIBBS
N68G-20-18-16-R-SS-440 2022-12-362 1 DIBBS
N68G-20-18-16-R-SS-440 2022-09-263 1 DIBBS
N68G-20-18-16-R-SS-440 2020-10-275 1 DIBBS
N68G-20-18-16-R-SS-440 2020-09-246 1 DIBBS
N68G-20-18-16-R-SS-440 2020-08-243 1 DIBBS
N68G-20-18-16-R-SS-440 2020-06-182 1 DIBBS
N68G-20-18-16-R-SS-440 2019-11-316 1 DIBBS
N68G-20-18-16-R-SS-440 2019-10-304 1 DIBBS
N68G-20-18-16-R-SS-440 2019-07-206 1 DIBBS

Cross Reference | NSN 4520-01-549-4172

Part Number Cage Code Manufacturer
N-2131 REV D 09051 GAYLORD INDUSTRIES INC.
N68G-20-18-16-R-SS-440 09051 GAYLORD INDUSTRIES INC.

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Restrictions/Controls & Freight Information | NSN 4520-01-549-4172

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 4520-01-549-4172

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative