Product Details | AUTOMATIC FLUE DRAFT CONTROL

4520-01-055-4167 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: D, D2, 4520-01-055-4167, 01-055-4167, 4520010554167, 010554167

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

Supply Group (FSG) NSN Assign. NIIN
45 04 FEB 1978 01-055-4167

Demand History | NSN 4520-01-055-4167

Part Number Request Date QTY Origin
D 2026-01-05 1 us

Cross Reference | NSN 4520-01-055-4167

Part Number Cage Code Manufacturer
D 51877 TJERNLUND MFG CO
D2 51877 TJERNLUND MFG CO

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Technical Data | NSN 4520-01-055-4167

Characteristic Specifications
GENERAL CHARACTERISTICS ITEM DESCRIPTION STEEL CONSTRUCTED WITH BAKED ON SILICONE BASE ENAMEL FINISH; 10.000 IN. W; 11.750 IN. LG

Restrictions/Controls & Freight Information | NSN 4520-01-055-4167

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 095190 HARDWARE, NOI SUB 9
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 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