Spark Plug2920-01-126-3785

NSN 2920-01-126-3785 · NIIN 011263785

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

Government record, cited

Also searched as 2920-01-126-3785 · 2920011263785 · NIIN 011263785 · 01-126-3785 · FSC 2920 Engine Electrical System Components, Nonaircraft · R44LT · R44LT

Nearby stock numbers ← 2920-01-126-1585 Generator, Engine Accessory · 2920-01-126-4497 Yoke Assembly, Start →

Features

Spark Plug — FSC 2920
Width Across Flats: 0.625 INCHES NOMINAL IN
Usage Design: ENGINE OTHER THAN AIRCRAFT
Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Body Style: UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT
Reach Length: 0.438 INCHES NOMINAL IN

Identification

NSN: 2920-01-126-3785
NIIN: 011263785
FSC: 2920 — Engine Electrical System Components, Nonaircraft
FSG: 29 — Engine Accessories

General Description

The Spark Plug, cataloged under National Stock Number 2920-01-126-3785, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2920-01-126-3785
Item Name	Spark Plug
FSC / FSG	2920 / 29 — Engine Electrical System Components, Nonaircraft
Status	ACTIVE
Width Across Flats	0.625 INCHES NOMINAL IN
Usage Design	ENGINE OTHER THAN AIRCRAFT
Electrode Style	SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Body Style	UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT
Reach Length	0.438 INCHES NOMINAL 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
R44LT	3/9 Design control — primary reference General Motors Llc Dba General Motors
R44LT	C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc

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 2920-01-126-3785?

NSN 2920-01-126-3785 is a Spark Plug, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.

What are the specifications of 2920-01-126-3785?

Key specifications for 2920-01-126-3785: Width Across Flats: 0.625 INCHES NOMINAL IN; Usage Design: ENGINE OTHER THAN AIRCRAFT; Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4); Body Style: UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT. 5 specifications are documented in the U.S. Government catalog.

Is NSN 2920-01-126-3785 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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