Product Details | MAGNETO COIL

2920-00-640-7646 An item consisting of two individual windings, one upon the other, inductively coupled, having a common iron core, specifically designed to convert the induced primary voltage to high secondary voltage required to ignite combustible mixtures, primarily in internal combustion engines; is a maintenance item for a magneto.20229200048Engine Electrical System Components, Nonaircraft29250058Engine Electrical System Components, Aircraft Prime Moving

Part Alternates: R2477CX, 2920-00-640-7646, 00-640-7646, 2920006407646, 006407646

Engine Accessories | Engine Electrical System Components, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-640-7646

Cross Reference | NSN 2920-00-640-7646

Part Number Cage Code Manufacturer
R2477CX 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE

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Technical Data | NSN 2920-00-640-7646

Characteristic Specifications
PRIMARY WINDING TURN QUANTITY 160
PRIMARY WINDING AWG SIZE 19
SECONDARY WINDING TURN QUANTITY 17000
SECONDARY WINDING AWG SIZE 40
PRIMARY TERMINAL TYPE WIRE LEAD
PRIMARY TERMINAL QUANTITY 1
SECONDARY TERMINAL TYPE THREADED HOLE
SECONDARY TERMINAL QUANTITY 1
LENGTH 2.500 INCHES NOMINAL
WIDTH 1.750 INCHES NOMINAL
HEIGHT 2.016 INCHES NOMINAL
CORE INCLUDED
CORE LENGTH 2.688 INCHES NOMINAL
CORE WIDTH 0.750 INCHES NOMINAL
CORE HEIGHT 0.391 INCHES NOMINAL
IMPREGNATION MATERIAL OIL
FRAME INCLUDED
EXTERIOR INSULATION MATERIAL PLASTIC
MOUNTING CONFIGURATION SCREW MTD
SPECIAL FEATURES FUNGUS RESISTANT

Restrictions/Controls & Freight Information | NSN 2920-00-640-7646

Category Code Description
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.
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 062460 MAGNETOS/PARTS NOI IN BOXES/CRATES
Less than car load rating M 85
Less than truck load rating M 85.0
Water commodity Code 658 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo M Magnetic material