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Technical Data Sheet
PartsTable / COMPONENT / YD297S1
YD297S1 ✓ 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: ELECTRICALLY SHIELDED, PARTIAL INSULATOR, 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: 155.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS, special_features: GRUMMAN A-10 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-841-1890, 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
YD297S1
NSN: 2920-00-841-1890
FSC: 2920
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
body_styleELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
reach_length0.500 INCHES NOMINAL IN
usage_designENGINE OTHER THAN AIRCRAFT
electrode_styleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
pressure_rating155.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
special_featuresGRUMMAN A-10 AIRCRAFT
width_across_flats0.865 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
seat_major_diameter0.980 INCHES NOMINAL IN
shield_thread_length0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
barrel_inside_diameter0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND A CLASS
dc_resistance_rating_in_ohms10000.0 NOMINAL
NSN2920-00-841-1890
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPARK PLUG TITLE COMPONENT PN YD297S1 MFR SPARK PLUG
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.865 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
•
DC RESISTANCE RATING IN OHMS: 10000.0 NOMINAL
•
BODY STYLE: ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
•
REACH LENGTH: 0.500 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A CLASS
•
SEAT MAJOR DIAMETER: 0.980 INCHES NOMINAL IN
•
TOP TO SHIELD THREAD DISTANCE: 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.865 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
SPECIAL FEATURESGRUMMAN A-10 AIRCRAFT
DC RESISTANCE RATING IN OHMS10000.0 NOMINAL
BODY STYLEELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
REACH LENGTH0.500 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A CLASS
SEAT MAJOR DIAMETER0.980 INCHES NOMINAL IN
TOP TO SHIELD THREAD DISTANCE0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
SHIELD THREAD LENGTH0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
TERMINAL SLEEVE INSIDE DIAMETER0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2224Interchangeable
interchangeable cross-reference
interchangeable
D15-328KPC191Interchangeable
interchangeable cross-reference
interchangeable
D15-613APC191Interchangeable
interchangeable cross-reference
interchangeable
D15-703FPC191Interchangeable
interchangeable cross-reference
interchangeable
75205AInterchangeable
interchangeable cross-reference
interchangeable
MSS SP-83Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is YD297S1?
YD297S1 is a SPARK PLUG.
What parts can replace YD297S1?
There are 16 known substitutes for YD297S1: 2224, D15-328KPC191, D15-613APC191 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for YD297S1?
YD297S1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-841-1890. 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