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Technical Data Sheet
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46XL ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SPARK PLUG is a the manufacturer industrial component. Key specifications include body_style: UNSHIELDED, THREADED POST, GASKET SEAT, reach_length: 0.750 INCHES NOMINAL IN, usage_design: ENGINE OTHER THAN AIRCRAFT, electrode_style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4), pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS, width_across_flats: 0.812 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-234-2238, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
46XL
NSN: 2920-00-234-2238
FSC: 2920
CAGE: 70040 — GENERAL MOTORS LLC DBA GENERAL MOTORS (USA)
SPECIFICATIONS
body_styleUNSHIELDED, THREADED POST, GASKET SEAT
reach_length0.750 INCHES NOMINAL IN
usage_designENGINE OTHER THAN AIRCRAFT
electrode_styleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
width_across_flats0.812 INCHES NOMINAL IN
seat_major_diameter0.812 INCHES MAXIMUM IN
nondefinitive_spec/std_data3 TYPE AND B CLASS
height_above_mounting_surface2.200 INCHES NOMINAL IN
NSN2920-00-234-2238
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPARK PLUG TITLE COMPONENT PN 46XL MFR SPARK PLUG
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND B CLASS
•
TEST DATA DOCUMENT: 81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
ELECTRODE STYLE: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
•
USAGE DESIGN: ENGINE OTHER THAN AIRCRAFT
•
BODY STYLE: UNSHIELDED, THREADED POST, GASKET SEAT
•
REACH LENGTH: 0.750 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN
•
SEAT MAJOR DIAMETER: 0.812 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA3 TYPE AND B CLASS
TEST DATA DOCUMENT81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
ELECTRODE STYLESINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
USAGE DESIGNENGINE OTHER THAN AIRCRAFT
BODY STYLEUNSHIELDED, THREADED POST, GASKET SEAT
REACH LENGTH0.750 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.812 INCHES NOMINAL IN
SEAT MAJOR DIAMETER0.812 INCHES MAXIMUM IN
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
HEIGHT ABOVE MOUNTING SURFACE2.200 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
N203631-2Interchangeable
interchangeable cross-reference
interchangeable
N18Interchangeable
interchangeable cross-reference
interchangeable
72MCA1Interchangeable
interchangeable cross-reference
interchangeable
62.90.052Interchangeable
interchangeable cross-reference
interchangeable
103028Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836EInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 46XL?
46XL is a SPARK PLUG.
What parts can replace 46XL?
There are 18 known substitutes for 46XL: N203631-2, N18, 72MCA1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 46XL?
46XL is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-234-2238. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026