Product Details | SPARK PLUG

2925-00-633-6859 An item containing two or more electrodes across which an electric spark is discharged to ignite a fuel and air mixture, primarily in internal combustion engines. Excludes GLOW PLUG; and ELECTRODE.20229200048Engine Electrical System Components, Nonaircraft29250058Engine Electrical System Components, Aircraft Prime Moving

Part Alternates: AC273, 2925-00-633-6859, 00-633-6859, 2925006336859, 006336859

Engine Accessories | Engine Electrical System Components, Aircraft Prime Moving

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-633-6859

Drawings & Photos | NSN 2925-00-633-6859


Cross Reference | NSN 2925-00-633-6859

Part Number Cage Code Manufacturer
AC273 24617 GENERAL MOTORS CORP
AC273 70040 GENERAL MOTORS CORP AC ROCHESTER DIV
AC273 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS

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Technical Data | NSN 2925-00-633-6859

Characteristic Specifications
BODY STYLE A6 ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
REACH LENGTH 0.812 INCHES NOMINAL
WIDTH ACROSS FLATS 0.875 INCHES NOMINAL
SEAT MAJOR DIAMETER 0.970 INCHES NOMINAL
HEIGHT ABOVE MOUNTING SURFACE 2.500 INCHES NOMINAL
TOP TO TERMINAL CONTACT DISTANCE 1.500 INCHES NOMINAL
TOP TO SHIELD THREAD DISTANCE 0.125 INCHES NOMINAL
SHIELD THREAD LENGTH 0.375 INCHES NOMINAL
BARREL INSIDE DIAMETER 0.560 INCHES NOMINAL
TERMINAL SLEEVE INSIDE DIAMETER 0.375 INCHES NOMINAL
ELECTRODE STYLE B12 TWO FLAT GROUND ELECTRODE
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION 18-1.5MM BASE 3/4-20 UNEF SHIELDING
MEAN EFFECTIVE PRESSURE RATING 400.0 POUNDS PER SQUARE INCH NOMINAL
DC RESISTANCE RATING IN OHMS 1000.0 NOMINAL
USAGE DESIGN AIRCRAFT ENGINE
MANUFACTURERS CODE 70040
DESIGN CONTROL REFERENCE AC273

Restrictions/Controls & Freight Information | NSN 2925-00-633-6859

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 177080 SPARK PLUGS NOI IN BXS
Less than car load rating
Less than truck load rating W Rating Variable
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 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