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3R9972 — LEAD,IGNITION,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3R9972: LEAD,IGNITION,ENGINE.

The LEAD,IGNITION,ENGINE is a the manufacturer industrial component. Key specifications include material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, conductor_form: STRANDED SINGLE CONDUCTOR, termination_type: LUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR, cross-sectional_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-024-4181, 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
3R9972
NSN: 2920-00-024-4181
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
conductor_formSTRANDED SINGLE CONDUCTOR
termination_typeLUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR
cross-sectional_shape_styleROUND
NSN2920-00-024-4181
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LEAD,IGNITION,ENGINE TITLE COMPONENT PN 3R9972 MFR LEAD,IGNITION,ENGINE
KEY FEATURES
•
TERMINATION TYPE: TERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS
TERMINATION TYPETERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR
TERMINATION TYPELUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
OTHER ITEMS IN FSC 2920 — Engine Electrical System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2920-00-003-5173 2920-00-005-1596 2920-00-035-6718 2920-00-158-2674 2920-00-255-4938 2920-00-424-3259
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3R9972?
3R9972 is a LEAD,IGNITION,ENGINE.
What is the NSN for 3R9972?
3R9972 is cataloged in the U.S. Government catalog under NSN 2920-00-024-4181. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.