PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M44CSpark Plug

Motor Parts and Equipment Warehouse · NSN 2920-00-238-8383 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-238-8383 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-238-8383. Primary manufacturer part number: M44C.
Features
  • Spark Plug — FSC 2920
  • Nondefinitive Spec/std Data: 3 TYPE AND B CLASS
  • Electrode Style: SINGLE "J" TYPE GROUND ELECTRODE (SEE ALSO STYLE 1 & 17)
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Body Style: UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT
  • Seat Major Diameter: 0.812 INCHES MAXIMUM IN
  • Reach Length: 0.375 INCHES NOMINAL IN
  • Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 255.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spark Plug, cataloged under National Stock Number 2920-00-238-8383, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Motor Parts and Equipment Warehouse. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-238-8383
Primary Part NumberM44C
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerMotor Parts and Equipment Warehouse
StatusCANCELLED
Nondefinitive Spec/std Data3 TYPE AND B CLASS
Electrode StyleSINGLE "J" TYPE GROUND ELECTRODE (SEE ALSO STYLE 1 & 17)
Usage DesignENGINE OTHER THAN AIRCRAFT
Body StyleUNSHIELDED,SOLID OR THREADED POST,GASKET SEAT
Seat Major Diameter0.812 INCHES MAXIMUM IN
Reach Length0.375 INCHES NOMINAL IN
Pressure Rating250.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 255.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Width Across Flats0.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5835-00-262-6146M44C INTERCHANGEABLE
Cartridge,tape,soun
Shure Bros Inc
2320-00-706-22288736304 INTERCHANGEABLE
Chassis,truck
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
M44C General Motors Llc Dba General Motors (USA)
M44C PRIMARY Motor Parts and Equipment Warehouse (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
593871 Evinrude Motors Product Group of Outboard Marine Corp (USA)
M44C General Motors Llc Dba General Motors Llc (USA)
A3X Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
593871 Outboard Marine Corp Johnson Motors Div (USA)
593871 Outboard Marine Corp (USA)
J6J Champion Aerospace Llc (USA)
Related Parts
5835-00-262-6146INTERCHANGEABLE
CARTRIDGE,TAPE,SOUN
M44C
2320-00-706-2228INTERCHANGEABLE
CHASSIS,TRUCK
8736304

Frequently Asked Questions

What is NSN 2920-00-238-8383?

NSN 2920-00-238-8383 is a Spark Plug, manufactured by Motor Parts and Equipment Warehouse, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-238-8383?

NSN 2920-00-238-8383 has 9 cross-referenced part numbers: M44C (General Motors Llc Dba General Motors), M44C (Motor Parts and Equipment Warehouse), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), 593871 (Evinrude Motors Product Group of Outboard Marine Corp), M44C (General Motors Llc Dba General Motors Llc) and 4 more.

What NSN replaces 2920-00-238-8383?

There are 2 known substitutes for 2920-00-238-8383: 5835-00-262-6146, 2320-00-706-2228. Verify interchangeability with system specifications before substitution.

What are the specifications of M44C?

Key specifications for M44C: Nondefinitive Spec/std Data: 3 TYPE AND B CLASS; Electrode Style: SINGLE "J" TYPE GROUND ELECTRODE (SEE ALSO STYLE 1 & 17); Usage Design: ENGINE OTHER THAN AIRCRAFT; Body Style: UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-238-8383 still in active supply?

NSN 2920-00-238-8383 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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