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Technical Data Sheet
PartsTable / COMPONENT / 18UC0M
18UC0M ✓ 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: 0.500 INCHES NOMINAL IN, usage_design: ENGINE OTHER THAN AIRCRAFT, electrode_style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4), pressure_rating: 300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 325.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS, special_features: COMMERCIAL-INDUSTRIAL STYLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-554-9156, 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
18UC0M
NSN: 2920-00-554-9156
FSC: 2920
CAGE: 70673 — SL AUBURN INC SUB OF SL INDUSTRIES INC (USA)
SPECIFICATIONS
body_styleUNSHIELDED, THREADED POST, GASKET SEAT
reach_length0.500 INCHES NOMINAL IN
usage_designENGINE OTHER THAN AIRCRAFT
electrode_styleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
pressure_rating300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 325.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
special_featuresCOMMERCIAL-INDUSTRIAL STYLE
width_across_flats0.875 INCHES NOMINAL IN
seat_major_diameter1.000 INCHES MAXIMUM IN
nondefinitive_spec/std_data3 TYPE AND B CLASS
height_above_mounting_surface2.312 INCHES NOMINAL IN
NSN2920-00-554-9156
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPARK PLUG TITLE COMPONENT PN 18UC0M MFR SPARK PLUG
KEY FEATURES
•
ELECTRODE STYLE: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
•
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.).
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND B CLASS
•
REACH LENGTH: 0.500 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
SEAT MAJOR DIAMETER: 1.000 INCHES MAXIMUM IN
•
HEIGHT ABOVE MOUNTING SURFACE: 2.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ELECTRODE STYLESINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
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.).
SPECIAL FEATURESCOMMERCIAL-INDUSTRIAL STYLE
NONDEFINITIVE SPEC/STD DATA3 TYPE AND B CLASS
REACH LENGTH0.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
SEAT MAJOR DIAMETER1.000 INCHES MAXIMUM IN
HEIGHT ABOVE MOUNTING SURFACE2.312 INCHES NOMINAL IN
PRESSURE RATING300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 325.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
BODY STYLEUNSHIELDED, THREADED POST, GASKET SEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
61H000PC70Interchangeable
interchangeable cross-reference
interchangeable
62D-000PC111Interchangeable
interchangeable cross-reference
interchangeable
D9Interchangeable
interchangeable cross-reference
interchangeable
CD821122IT12Interchangeable
interchangeable cross-reference
interchangeable
622-2Interchangeable
interchangeable cross-reference
interchangeable
179228Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18UC0M?
18UC0M is a SPARK PLUG.
What parts can replace 18UC0M?
There are 19 known substitutes for 18UC0M: 61H000PC70, 62D-000PC111, D9 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18UC0M?
18UC0M is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-554-9156. 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