PartsTable TECHNICAL DATA SHEET

NSN 2920-01-357-4156Government record, cited

Spark Plug2920-01-357-4156

NSN 2920-01-357-4156 · NIIN 013574156

FSC 2920 — Engine Electrical System Components, Nonaircraft · FSG 29 — Engine Accessories

Government record, cited

Also searched as 2920-01-357-4156 · 2920013574156 · NIIN 013574156 · 01-357-4156 · FSC 2920 Engine Electrical System Components, Nonaircraft

Nearby stock numbers ← 2920-01-357-3557 Drive, Engine, Electrical Starter · 2920-01-357-5391 Rotor, Generator →

Features

Spark Plug — FSC 2920
Pressure Rating: 190.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 240.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Width Across Flats: 0.625 INCHES NOMINAL IN
Height Above Mounting Surface: 2.030 INCHES NOMINAL IN
Usage Design: ENGINE OTHER THAN AIRCRAFT
Electrode Style: SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
Body Style: UNSHIELDED, SOLID POST, TAPERED SEAT
DC Resistance Rating in Ohms: 10000.0 NOMINAL

Identification

NSN: 2920-01-357-4156
NIIN: 013574156
FSC: 2920 — Engine Electrical System Components, Nonaircraft
FSG: 29 — Engine Accessories

General Description

The Spark Plug, cataloged under National Stock Number 2920-01-357-4156, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2920-01-357-4156
Item Name	Spark Plug
FSC / FSG	2920 / 29 — Engine Electrical System Components, Nonaircraft
Status	ACTIVE
Pressure Rating	190.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 240.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Width Across Flats	0.625 INCHES NOMINAL IN
Height Above Mounting Surface	2.030 INCHES NOMINAL IN
Usage Design	ENGINE OTHER THAN AIRCRAFT
Electrode Style	SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
Body Style	UNSHIELDED, SOLID POST, TAPERED SEAT
DC Resistance Rating in Ohms	10000.0 NOMINAL
Reach Length	0.460 INCHES NOMINAL IN
Seat Major Diameter	0.6250 INCHES MAXIMUM IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
RV15YC6	3/9 Design control — primary reference Champion Aviation Inc Automotive Div

No interchangeability data on file.

Other items in FSC 2920 — Engine Electrical System Components, Nonaircraft

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2920-00-000-0088

INSTALLATION KIT,AL

2920-00-000-0183

GENERATOR,ENGINE ACCESSORY

2920-00-000-0194

2920-00-000-0194 · Item name not on file

2920-00-001-3474

COIL,MAGNETO

2920-00-001-3843

PLATE ASSY,ARMATURE

2920-00-001-6184

2920-00-001-6184 · Item name not on file

2920-00-001-6185

2920-00-001-6185 · Item name not on file

2920-00-001-8891

2920-00-001-8891 · Item name not on file

Frequently Asked Questions

What is NSN 2920-01-357-4156?

NSN 2920-01-357-4156 is a Spark Plug, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.

What are the specifications of 2920-01-357-4156?

Key specifications for 2920-01-357-4156: Pressure Rating: 190.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 240.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS; Width Across Flats: 0.625 INCHES NOMINAL IN; Height Above Mounting Surface: 2.030 INCHES NOMINAL IN; Usage Design: ENGINE OTHER THAN AIRCRAFT. 9 specifications are documented in the U.S. Government catalog.

Is NSN 2920-01-357-4156 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.

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