Product Details | ENGINE ACCESSORY GENERATOR

2920-00-300-0858 A generator primarily designed to be mounted on an internal combustion engine, and to be driven by the engine to keep the battery in a charged condition. May also supply current for the engine ignition system and/or electrical equipment which is connected to the battery circuit. Includes alternating current generators designed for use with a rectifier. Excludes the major generator of "GENERATING SETS". For generators specifically designed for aircraft use and not mounted on the engine, see GENERATOR, DIRECT CURRENT.20229200048Engine Electrical System Components, Nonaircraft29250058Engine Electrical System Components, Aircraft Prime Moving

Part Alternates: GJU7104S, 797552, 2920-00-300-0858, 00-300-0858, 2920003000858, 003000858

Engine Accessories | Engine Electrical System Components, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1961 00-300-0858

Drawings & Photos | NSN 2920-00-300-0858


Cross Reference | NSN 2920-00-300-0858

Part Number Cage Code Manufacturer
797552 12603 CLARK EQUIPMENT CO
797552 77237 DANA OFF HIGHWAY PRODUCTS, LLC
GJU7104S 24975 PRESTOLITE ELECTRIC INCORPORATED
GJU7104S 68505 PRESTOLITE ELECTRIC INC

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Technical Data | NSN 2920-00-300-0858

Characteristic Specifications
VOLTAGE IN VOLTS 12.0
MAXIMUM RATED ARMATURE SPEED IN RPM 4000
ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT 1800
MINIMUM CURRENT CUT-IN SPEED IN RPM 1100
GROUNDING METHOD INTERNAL
GROUND POLARITY TYPE NEGATIVE
SHAFT ROTATION DIRECTION CLOCKWISE
MOUNTING STYLE 15 BRACKET MTD W/THREE MTG HOLES, TOP HOLE THREADED
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER 3.060 INCHES NOMINAL
DISTANCE BETWEEN SHAFT CENTER AND TOP MOUNTING HOLE CENTER 3.060 INCHES NOMINAL
DISTANCE BETWEEN INSIDE SURFACES OF HINGE BRACKET 7.118 INCHES MINIMUM AND 7.136 INCHES MAXIMUM
DISTANCE BETWEEN OUTSIDE SURFACES OF HINGE BRACKET 8.238 INCHES MINIMUM AND 8.256 INCHES MAXIMUM
BOTTOM MOUNTING HOLE DIAMETER 0.323 INCHES MINIMUM AND 0.333 INCHES MAXIMUM
ANGULAR DEVIATION OF FIRST HOLE FROM TOP CENTER IN DEG 31.0
ANGULAR DEVIATION OF SECOND HOLE FROM FIRST HOLE IN DEG 149.0
MOUNTING HOLE THREAD SERIES DESIGNATOR UNC
MOUNTING HOLE THREAD DIAMETER 0.313 INCHES NOMINAL
MOUNTING HOLE THREAD QUANTITY PER INCH 18
MOUNTING HOLE THREAD DIRECTION RIGHT-HAND
SHAFT DRIVE END STYLE 1 STRAIGHT SHAFT END, THREADED, W/KEYWAY
THREAD LENGTH 0.378 INCHES NOMINAL
SECOND STEP DIAMETER 0.668 INCHES MINIMUM AND 0.669 INCHES MAXIMUM
KEYWAY WIDTH 0.125 INCHES NOMINAL
UNTHREADED PORTION LENGTH 0.720 INCHES NOMINAL
KEYWAY LENGTH 0.625 INCHES NOMINAL
SUBMERSIBILITY NONSUBMERSIBLE
FURNISHED ITEMS COOLING FAN
MANUFACTURERS CODE 24975
DESIGN CONTROL REFERENCE GJU7104S

Restrictions/Controls & Freight Information | NSN 2920-00-300-0858

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 062120 GENERATORS/MOTORS/PARTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 590 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 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 2920-00-300-0858

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each