Product Details | SPARK PLUG

2920-00-571-6731 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: AVR3S, RML12, RML-12, 553086, 8668752, 2344, 2920-00-571-6731, 00-571-6731, 2920005716731, 005716731

Engine Accessories | Engine Electrical System Components, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-571-6731

Drawings & Photos | NSN 2920-00-571-6731


Demand History | NSN 2920-00-571-6731

Part Number Request Date QTY Origin
2920-00-571-6731 2023-05-129 24 PT
2920-00-571-6731 2013-12-347 557 DIBBS
2920-00-571-6731 2013-11-332 557 DIBBS
2344 2011-12-355 1 US
2920-00-571-6731 2010-02-48 407 DIBBS
2920-00-571-6731 2010-01-04 431 DIBBS
2920-00-571-6731 2009-09-245 2676 DIBBS
2920-00-571-6731 2009-05-133 270 Taiwan
2920-00-571-6731 2009-01-07 348 DIBBS
2920-00-571-6731 2008-03-78 988 DIBBS
2920-00-571-6731 2008-01-22 900 US
2920-00-571-6731 2007-08-225 874 DIBBS
2920-00-571-6731 2007-03-80 1192 DIBBS

Cross Reference | NSN 2920-00-571-6731

Part Number Cage Code Manufacturer
2344 52970 ALLIED-SIGNAL INC AUTOLITE DIV
553086 02978 L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS
8668752 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
AVR3S 01637 FORD MOTOR CRAFT
RML-12 0AFL4 CHAMPION AEROSPACE LLC DIV CHAMPION AEROSPACE, LLC
RML-12 0B231 CHAMPION AVIATION INC AUTOMOTIVE DIV

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Technical Data | NSN 2920-00-571-6731

Characteristic Specifications
BODY STYLE A6 ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
REACH LENGTH 0.500 INCHES NOMINAL
WIDTH ACROSS FLATS 0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM
SEAT MAJOR DIAMETER 0.785 INCHES MINIMUM AND 0.800 INCHES MAXIMUM
HEIGHT ABOVE MOUNTING SURFACE 2.875 INCHES NOMINAL
TOP TO TERMINAL CONTACT DISTANCE 1.235 INCHES MINIMUM AND 1.305 INCHES MAXIMUM
TOP TO SHIELD THREAD DISTANCE 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
SHIELD THREAD LENGTH 0.375 INCHES NOMINAL
BARREL INSIDE DIAMETER 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
TERMINAL SLEEVE INSIDE DIAMETER 0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
ELECTRODE STYLE B1 SINGLE FLAT SHELL GROUND ELECTRODE
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION 14-1.25MM BASE 5/8-24 UNEF SHIELDING
MEAN EFFECTIVE PRESSURE RATING 230.0 POUNDS PER SQUARE INCH NOMINAL
DC RESISTANCE RATING IN OHMS 100.0 MINIMUM AND 1250.0 MAXIMUM
USAGE DESIGN ENGINE OTHER THAN AIRCRAFT

Restrictions/Controls & Freight Information | NSN 2920-00-571-6731

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
No Freight Information