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AA406 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ADAPTER,SPARK PLUG is a the manufacturer industrial component. Key specifications include material: STEEL BODY, drive_type: HEXAGON, head_height: 0.250 INCHES NOMINAL IN, overall_length: 1.000 INCHES NOMINAL IN, special_features: SUPPLIED WITH GASKET, width_across_flats: 1.125 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 2920-00-239-9047, 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
AA406
NSN: 2920-00-239-9047
FSC: 2920
CAGE: 29201 — JOHN DEER CONSUMER PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL BODY
drive_typeHEXAGON
head_height0.250 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
special_featuresSUPPLIED WITH GASKET
width_across_flats1.125 INCHES NOMINAL IN
counterbore_featureNOT INCLUDED
outside_thread_diameter0.875 INCHES NOMINAL IN
accommodated_spark_plug_thread_diameter18.0 MILLIMETERS NOMINAL MM
NSN2920-00-239-9047
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,SPARK PLUG TITLE COMPONENT PN AA406 MFR ADAPTER,SPARK PLUG
KEY FEATURES
•
DRIVE TYPE: HEXAGON
•
COUNTERBORE FEATURE: NOT INCLUDED
•
HEAD: NOT INCLUDED
•
MATERIAL: STEEL BODY
•
WIDTH ACROSS FLATS: 1.125 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
ACCOMMODATED SPARK PLUG THREAD DIAMETER: 18.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE TYPEHEXAGON
COUNTERBORE FEATURENOT INCLUDED
HEADNOT INCLUDED
MATERIALSTEEL BODY
WIDTH ACROSS FLATS1.125 INCHES NOMINAL IN
HEAD HEIGHT0.250 INCHES NOMINAL IN
OVERALL LENGTH1.000 INCHES NOMINAL IN
ACCOMMODATED SPARK PLUG THREAD DIAMETER18.0 MILLIMETERS NOMINAL MM
OUTSIDE THREAD DIAMETER0.875 INCHES NOMINAL IN
SPECIAL FEATURESSUPPLIED WITH GASKET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A202-212Interchangeable
interchangeable cross-reference
interchangeable
A202Interchangeable
interchangeable cross-reference
interchangeable
202Interchangeable
interchangeable cross-reference
interchangeable
3F90000-105Interchangeable
interchangeable cross-reference
interchangeable
A-A-1040Interchangeable
interchangeable cross-reference
interchangeable
RR-K-795Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA406?
AA406 is a ADAPTER,SPARK PLUG.
What parts can replace AA406?
There are 13 known substitutes for AA406: A202-212, A202, 202 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA406?
AA406 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-239-9047. 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