Product Details | AUTOMATIC FLUE DRAFT CONTROL

4520-01-512-7303 An item consisting of a metal frame in which is inserted a flat metal plate mounted on a shaft. The plate, fluctuating automatically according to changes in atmospheric pressure, controls the stack or flue draft and maintains an absolute constancy of draft regardless of varying weather conditions.

Part Alternates: MVC-2341 SIZE 40W X 20H, MVC2341SIZE40WX20H, 16815003 REV, 16815003REV, 1685003-1 REV-PARTS LIST, 16850031REVPARTSLIST, 4520-01-512-7303, 01-512-7303, 4520015127303, 015127303

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

Supply Group (FSG) NSN Assign. NIIN
45 09 SEP 2003 01-512-7303

Demand History | NSN 4520-01-512-7303

Part Number Request Date QTY Origin
16815003 REV 2020-03-89 3 DIBBS
16815003-1 REV-PARTS LIST 2020-03-89 3 DIBBS
MVC-2341 SIZE 40W X 20H 2020-03-89 3 DIBBS
4520-01-512-7303 2018-11-316 1 DIBBS

Cross Reference | NSN 4520-01-512-7303

Part Number Cage Code Manufacturer
16815003 REV 52249 MESTEK, INC. DBA AMERICAN WARMING & VENTILATING
1685003-1 REV-PARTS LIST 52249 MESTEK, INC. DBA AMERICAN WARMING & VENTILATING
MVC-2341 SIZE 40W X 20H 52249 MESTEK, INC. DBA AMERICAN WARMING & VENTILATING

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Technical Data | NSN 4520-01-512-7303

Characteristic Specifications
MATERIAL STEEL AND STEEL CORROSION RESISTING
OVERALL WIDTH 40.000 INCHES NOMINAL
OVERALL HEIGHT 20.000 INCHES NOMINAL
SPECIAL FEATURES FRAME IS 3/16 IN. THICK CARBON STEEL; BLADES ARE 14 GA STAINLESS STEEL; AXLES ARE 1/2 IN. DIAM. 303 STAINLESS STEEL; BEARING SLEEVE IS OIL IMPREGNATED BRONZE; FINISH IS HOT DIPPED GALVANIZED ON CARBON STEEL; MAX. DIFF PRESSURE IS 12 IN. WG; MAX VELOCITY IS 3000 FPM
III PART NAME ASSIGNED BY CONTROLLING AGENCY STANDARD DUTY AIR CONTROL DAMPER (MARINE)

Restrictions/Controls & Freight Information | NSN 4520-01-512-7303

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 133300 MACHINERY/MACHINES NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 72E unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4520-01-512-7303

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