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A11X ✓ 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 usage_design: ENGINE OTHER THAN AIRCRAFT, width_across_flats: 0.812 INCHES NOMINAL IN, thread_size_and_series/type_designator: 3/8-24 UNF BASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-01-300-5244, 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
A11X
NSN: 2920-01-300-5244
FSC: 2920
CAGE: 01637 — FORD MOTOR CRAFT (USA)
SPECIFICATIONS
usage_designENGINE OTHER THAN AIRCRAFT
width_across_flats0.812 INCHES NOMINAL IN
thread_size_and_series/type_designator3/8-24 UNF BASE
NSN2920-01-300-5244
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPARK PLUG TITLE COMPONENT PN A11X MFR SPARK PLUG
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-24 UNF BASE
•
USAGE DESIGN: ENGINE OTHER THAN AIRCRAFT
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.812 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-24 UNF BASE
USAGE DESIGNENGINE OTHER THAN AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
FC4633Interchangeable
interchangeable cross-reference
interchangeable
F8449Interchangeable
interchangeable cross-reference
interchangeable
M47Interchangeable
interchangeable cross-reference
interchangeable
7351725Interchangeable
interchangeable cross-reference
interchangeable
MILT712Interchangeable
interchangeable cross-reference
interchangeable
8358339Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A11X?
A11X is a SPARK PLUG.
What parts can replace A11X?
There are 12 known substitutes for A11X: FC4633, F8449, M47 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A11X?
A11X is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-01-300-5244. 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