NSN 2920-00-024-4181 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-024-4181. Manufacturer of record part number: 3R9972.
Also searched as2920-00-024-4181 ·
2920000244181 ·
NIIN 000244181 ·
00-024-4181 ·
FSC 2920 Engine Electrical System Components, Nonaircraft · CAGE 11083 · 3R9972
Termination Type: TERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR
Termination Type: LUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR
Cross-Sectional Shape Style: ROUND
Conductor Form: STRANDED SINGLE CONDUCTOR
Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2920-00-024-4181
NIIN: 000244181
FSC: 2920 — Engine Electrical System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 3R9972
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Lead,ignition,engine, cataloged under National Stock Number 2920-00-024-4181, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2920-00-024-4181
Primary Part Number
3R9972
Item Name
Lead,ignition,engine
FSC / FSG
2920 / 29 — Engine Electrical System Components, Nonaircraft
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Termination Type
TERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR
Termination Type
LUG TERMINAL W/MOUNTING HOLE FIRST END 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.
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2920-00-035-6718
2920-00-035-6718 · Item name not on file
2920-00-158-2674
REGULATOR,ENGINE GENERATOR
2920-00-255-4938
REGULATOR,ENGINE GENERATOR
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PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL
Frequently Asked Questions
What is NSN 2920-00-024-4181?
NSN 2920-00-024-4181 is a Lead,ignition,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
What part numbers are listed for NSN 2920-00-024-4181?
NSN 2920-00-024-4181 has 1 manufacturer part number on file: 3R9972 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 3R9972?
Key specifications for 3R9972: Termination Type: TERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR; Termination Type: LUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR; Cross-Sectional Shape Style: ROUND; Conductor Form: STRANDED SINGLE CONDUCTOR. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2920-00-024-4181 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.