Product Details | SPARK PLUG

2925-00-203-8735 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: AC275, 2925-00-203-8735, 00-203-8735, 2925002038735, 002038735

Engine Accessories | Engine Electrical System Components, Aircraft Prime Moving

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-203-8735

Drawings & Photos | NSN 2925-00-203-8735


Cross Reference | NSN 2925-00-203-8735

Part Number Cage Code Manufacturer
AC275 24617 GENERAL MOTORS CORP
AC275 70040 GENERAL MOTORS CORP AC ROCHESTER DIV
AC275 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS

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Technical Data | NSN 2925-00-203-8735

Characteristic Specifications
BODY STYLE A6 ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
REACH LENGTH 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.870 INCHES MINIMUM AND 0.878 INCHES MAXIMUM
SEAT MAJOR DIAMETER 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM
HEIGHT ABOVE MOUNTING SURFACE 2.438 INCHES MINIMUM AND 2.562 INCHES MAXIMUM
TOP TO TERMINAL CONTACT DISTANCE 1.485 INCHES MINIMUM AND 1.585 INCHES MAXIMUM
TOP TO SHIELD THREAD DISTANCE 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
SHIELD THREAD LENGTH 0.335 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
BARREL INSIDE DIAMETER 0.560 INCHES NOMINAL
TERMINAL SLEEVE INSIDE DIAMETER 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM
ELECTRODE STYLE B13 TRIPLE GAP GROUND ELECTRODE
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION 18-1.5MM BASE 3/4-20 UNEF SHIELDING
MEAN EFFECTIVE PRESSURE RATING 415.0 POUNDS PER SQUARE INCH NOMINAL
DC RESISTANCE RATING IN OHMS 1500.0 NOMINAL
USAGE DESIGN AIRCRAFT ENGINE
MANUFACTURERS CODE 70040
DESIGN CONTROL REFERENCE AC275

Restrictions/Controls & Freight Information | NSN 2925-00-203-8735

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
No Freight Information