Product Details | IGNITION MAGNETO

2920-00-786-2839 An electric generator whose field poles are permanent magnets and which is used to generate electrical energy for the purpose of igniting the combustible mixture in internal combustion engine cylinders. Spark distribution may be accomplished by a distributor portion of the magneto or by a separate item.20229200048Engine Electrical System Components, Nonaircraft29250058Engine Electrical System Components, Aircraft Prime Moving

Part Alternates: MJB6B309, MRA6309, MRA6B309, 10A2423, 2920-00-786-2839, 00-786-2839, 2920007862839, 007862839

Engine Accessories | Engine Electrical System Components, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1962 00-786-2839

Cross Reference | NSN 2920-00-786-2839

Part Number Cage Code Manufacturer
10A2423 81240 WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT INC
MJB6B309 01843 AMBAC INTERNATIONAL CORPORATION
MJB6B309 24956 UNITED TECHNOLOGIES CORP ELECTRO SYSTEMS INC
MRA6309 01843 AMBAC INTERNATIONAL CORPORATION
MRA6B309 01843 AMBAC INTERNATIONAL CORPORATION

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Technical Data | NSN 2920-00-786-2839

Characteristic Specifications
IMPULSE QUANTITY PER REVOLUTION 6
IGNITION TYPE FOR WHICH DESIGNED SINGLE
SPARK DISTRIBUTION METHOD GAP
SHAFT ROTATION DIRECTION COUNTERCLOCKWISE
DISTRIBUTOR CAP INCLUDED
SECONDARY TERMINAL TYPE THREADED
SPARK PLUG TERMINAL ACCOMMODATION THREAD SERIES UNEF
SPARK PLUG TERMINAL ACCOMMODATION THREAD DIAMETER 0.750 INCHES NOMINAL
SPARK PLUG TERMINAL ACCOMMODATION THREAD QUANTITY PER INCH 20
BODY MATERIAL MAGNESIUM
SURFACE TREATMENT ENAMEL
MOUNTING METHOD FLANGE
MOUNTING STANDARD CONTROLLING AGENCY SAE
MOUNTING STANDARD NUMBER J546
MOUNTING FACILITY SLOT AND THREADED HOLE
MOUNTING FACILITY QUANTITY 1
MOUNTING FACILITY THREAD SERIES UNC
MOUNTING FACILITY THREAD DIAMETER 0.375 INCHES NOMINAL
MOUNTING FACILITY THREAD QUANTITY PER INCH 16
MOUNTING SLOT LENGTH 1.137 INCHES NOMINAL
MOUNTING SLOT WIDTH 0.414 INCHES MAXIMUM
DISTANCE BETWEEN MOUNTING FACILITY CENTERS 4.182 INCHES MINIMUM AND 4.194 INCHES MAXIMUM
PERFORMANCE TYPE HIGH TENSION
ROTATION ELEMENT TYPE PERMANENT MAGNET ROTOR
POLE QUANTITY 2
CONTACT SET QUANTITY 1
DRIVE CONNECTION TYPE IMPULSE COUPLED
ENVIRONMENTAL PROTECTION FUNGUS RESISTANT
FEATURES PROVIDED RADIO INTERFERENCE SHIELDING
MANUFACTURERS CODE 01843
DESIGN CONTROL REFERENCE MRA6B309

Restrictions/Controls & Freight Information | NSN 2920-00-786-2839

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 062460 MAGNETOS/PARTS NOI IN BOXES/CRATES
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 593 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 Z No special type of cargo code applicable

Management | NSN 2920-00-786-2839

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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
Purchasing QTY
UOM
1
EA : Each