PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YD302Spark Plug

Wisconsin Motors, Llc · NSN 2920-00-865-6665 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-865-6665 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-865-6665. Primary manufacturer part number: YD302.
Features
  • Spark Plug — FSC 2920
  • Width Across Flats: 0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Reach Length: 0.500 INCHES NOMINAL IN
  • Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
  • Thread Size and Series/type Designator: 5/8-24 UNEF SHIELD
  • Terminal Sleeve Inside Diameter: 0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
  • Height Above Mounting Surface: 2.875 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spark Plug, cataloged under National Stock Number 2920-00-865-6665, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-865-6665
Primary Part NumberYD302
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
Width Across Flats0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
Usage DesignENGINE OTHER THAN AIRCRAFT
Reach Length0.500 INCHES NOMINAL IN
Electrode StyleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Thread Size and Series/type Designator5/8-24 UNEF SHIELD
Terminal Sleeve Inside Diameter0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
Height Above Mounting Surface2.875 INCHES NOMINAL IN
Shield Thread Length0.375 INCHES NOMINAL IN
Top to Shield Thread Distance0.095 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
Pressure Rating230.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
Seat Major Diameter0.785 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
Top to Terminal Contact Distance1.245 INCHES MINIMUM AND 1.295 INCHES MAXIMUM IN
DC Resistance Rating in Ohms7500.0 MINIMUM AND 12500.0 MAXIMUM
Body StyleELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5950-00-024-0872 INTERCHANGEABLE
Transformer,power
4140-00-507-9026PBC2206F2-1 INTERCHANGEABLE
Fan,tubeaxial
Curtiss-Wright Controls Integrated Sensing, Inc.
5915-00-914-89362384 INTERCHANGEABLE
Filter,band Pass
Torotel, Inc. Div Torotel Products, Inc.
4730-01-052-3943 INTERCHANGEABLE
Strainer,sediment
6625-01-104-69592384 INTERCHANGEABLE
Test Set,line Replacement Unit
Bae Systems Information and Electronic Systems Integration Inc.
5120-01-398-76019-43624 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5995-01-539-88672-384 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Laurel Technologies Partnership Div Drs Laurel Technologies
6545-01-549-8326T505 INTERCHANGEABLE
Tmde Special Operations Tactical
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
5920-01-692-48652384 INTERCHANGEABLE
Strap,wrist,electrostatic Discha
Scs
Cross-Reference Index
Part NumberManufacturer
WR43L General Motors Llc Dba General Motors (USA)
XML12 Champion Aerospace Llc (USA)
XML12 Champion Aviation Inc Automotive Div (USA)
5611324 General Motors Llc Dba General Motors (USA)
5611324 General Motors Llc Dba General Motors Llc (USA)
943624 Am General Llc (USA)
SR8F23B Zeller Corp the (USA)
2384 Allied-Signal Inc Autolite Div (USA)
WR43L General Motors Llc Dba General Motors Llc (USA)
AER3SA Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
WR43L General Motors Corp (USA)
YD302 PRIMARY Wisconsin Motors, Llc (USA)
Related Parts
5950-00-024-0872INTERCHANGEABLE
TRANSFORMER,POWER
4140-00-507-9026INTERCHANGEABLE
FAN,TUBEAXIAL
PBC2206F2-1
5915-00-914-8936INTERCHANGEABLE
FILTER,BAND PASS
2384
4730-01-052-3943INTERCHANGEABLE
STRAINER,SEDIMENT
6625-01-104-6959INTERCHANGEABLE
TEST SET,LINE REPLACEMENT UNIT
2384
5120-01-398-7601INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
9-43624
5995-01-539-8867INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
2-384
6545-01-549-8326INTERCHANGEABLE
TMDE SPECIAL OPERATIONS TACTICAL
T505
5920-01-692-4865INTERCHANGEABLE
STRAP,WRIST,ELECTROSTATIC DISCHA
2384

Frequently Asked Questions

What is NSN 2920-00-865-6665?

NSN 2920-00-865-6665 is a Spark Plug, manufactured by Wisconsin Motors, Llc, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-865-6665?

NSN 2920-00-865-6665 has 12 cross-referenced part numbers: WR43L (General Motors Llc Dba General Motors), XML12 (Champion Aerospace Llc), XML12 (Champion Aviation Inc Automotive Div), 5611324 (General Motors Llc Dba General Motors), 5611324 (General Motors Llc Dba General Motors Llc) and 7 more.

What NSN replaces 2920-00-865-6665?

There are 9 known substitutes for 2920-00-865-6665: 5950-00-024-0872, 4140-00-507-9026, 5915-00-914-8936 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YD302?

Key specifications for YD302: Width Across Flats: 0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN; Usage Design: ENGINE OTHER THAN AIRCRAFT; Reach Length: 0.500 INCHES NOMINAL IN; Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4). 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-865-6665 still in active supply?

NSN 2920-00-865-6665 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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