PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C44Spark Plug

General Motors Llc Dba General Motors · NSN 2920-00-482-3837 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-482-3837 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-482-3837. Primary manufacturer part number: C44.
Features
  • Spark Plug — FSC 2920
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Nondefinitive Spec/std Data: 3 TYPE AND B CLASS
  • Test Data Document: 81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
  • Width Across Flats: 0.812 INCHES NOMINAL IN
  • Reach Length: 0.375 INCHES NOMINAL IN
  • Seat Major Diameter: 0.8125 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spark Plug, cataloged under National Stock Number 2920-00-482-3837, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is General Motors Llc Dba General Motors. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-00-482-3837
Primary Part NumberC44
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors
StatusACTIVE
Usage DesignENGINE OTHER THAN AIRCRAFT
Nondefinitive Spec/std Data3 TYPE AND B CLASS
Test Data Document81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Electrode StyleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Width Across Flats0.812 INCHES NOMINAL IN
Reach Length0.375 INCHES NOMINAL IN
Seat Major Diameter0.8125 INCHES MAXIMUM IN
Height Above Mounting Surface2.203 INCHES NOMINAL IN
Pressure Rating200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
Body StyleUNSHIELDED,SOLID OR THREADED POST,GASKET SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5342-00-073-5904AT4 INTERCHANGEABLE
Post
Roller Bearing Co of America, Inc Div Pic Design
3110-00-108-7465290-4 INTERCHANGEABLE
Bearing,roller,needle
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4010-00-185-0402 INTERCHANGEABLE
Chain Assembly,single Leg
5977-00-309-3056873416 INTERCHANGEABLE
Brush Set,electrical Contact
Dana Off Highway Products, Llc
6625-00-474-7644 INTERCHANGEABLE
Prod Double
3439-00-926-3773AW30 INTERCHANGEABLE
Heat Sink,soldering Aid
Clauss Cutlery Co
4820-01-003-7673AT-4 INTERCHANGEABLE
Stem,torch
Uniweld Products, Inc. Dba Uniweld Products Inc
2815-01-597-8208C4.4 INTERCHANGEABLE
Engine,diesel
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
C44 General Motors Llc Dba General Motors (USA)
AT4 Ford Motor Company (USA)
C44 Aluminum Co of America (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AT4 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
C44 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5342-00-073-5904INTERCHANGEABLE
POST
AT4
3110-00-108-7465INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
290-4
4010-00-185-0402INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
5977-00-309-3056INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
873416
6625-00-474-7644INTERCHANGEABLE
PROD DOUBLE
3439-00-926-3773INTERCHANGEABLE
HEAT SINK,SOLDERING AID
AW30
4820-01-003-7673INTERCHANGEABLE
STEM,TORCH
AT-4
2815-01-597-8208INTERCHANGEABLE
ENGINE,DIESEL
C4.4

Frequently Asked Questions

What is NSN 2920-00-482-3837?

NSN 2920-00-482-3837 is a Spark Plug, manufactured by General Motors Llc Dba General Motors, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-00-482-3837?

NSN 2920-00-482-3837 has 6 cross-referenced part numbers: C44 (General Motors Llc Dba General Motors), AT4 (Ford Motor Company), C44 (Aluminum Co of America), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), AT4 (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 1 more.

What NSN replaces 2920-00-482-3837?

There are 8 known substitutes for 2920-00-482-3837: 5342-00-073-5904, 3110-00-108-7465, 4010-00-185-0402 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C44?

Key specifications for C44: Usage Design: ENGINE OTHER THAN AIRCRAFT; Nondefinitive Spec/std Data: 3 TYPE AND B CLASS; Special Features: INDUSTRIAL-COMMERCIAL-TRANSPORT STYLE; Test Data Document: 81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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