PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AR41Spark Plug

Ford Motor Co General Parts Division · NSN 2920-00-711-6511 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-711-6511 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-711-6511. Primary manufacturer part number: AR41.
Features
  • Spark Plug — FSC 2920
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Nondefinitive Spec/std Data: 3 TYPE AND A 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.).
  • Body Style: UNSHIELDED, SOLID POST, GASKET SEAT
  • Reach Length: 0.375 INCHES NOMINAL IN
  • Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
  • 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 2920-00-711-6511, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Ford Motor Co General Parts Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-711-6511
Primary Part NumberAR41
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerFord Motor Co General Parts Division
StatusCANCELLED
Usage DesignENGINE OTHER THAN AIRCRAFT
Nondefinitive Spec/std Data3 TYPE AND A 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.).
Body StyleUNSHIELDED, SOLID POST, GASKET SEAT
Reach Length0.375 INCHES NOMINAL IN
Electrode StyleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Pressure Rating250.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 255.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Seat Major Diameter0.8125 INCHES MAXIMUM IN
Width Across Flats0.812 INCHES NOMINAL IN
DC Resistance Rating in Ohms10000.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2920-00-155-8040J6 INTERCHANGEABLE
Spark Plug
Champion Aerospace Llc
2920-00-554-9155638647 INTERCHANGEABLE
Spark Plug
Am General Llc
5110-01-118-6284P6510S INTERCHANGEABLE
Shears,metal Cutting,hand
Midwest Tool and Cutlery Company Dba Forge Division Midwest Tool and Cutlery Div Forge Division - Midwest Tool & Cutlery Co.
5110-01-368-4457 INTERCHANGEABLE
Shears,metal Cutting,hand
Cross-Reference Index
Part NumberManufacturer
RJ6 Navistar Intl Corp Truck Br Ohio Plant (USA)
AR41 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
RJ6C Champion Aerospace Llc (USA)
AR41 PRIMARY Ford Motor Co General Parts Division (USA)
XJ6 Champion Aerospace Llc (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
RJ6C Champion Aviation Inc Automotive Div (USA)
AR41 Ford Motor Craft (USA)
M3R Zeller Corp the (USA)
83685R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
RJ6 Champion Aerospace Llc (USA)
RJ6C Navistar Intl Corp Truck Br Ohio Plant (USA)
86875 Fwd Seagrave Holdings Lp (USA)
Related Parts
2920-00-155-8040INTERCHANGEABLE
SPARK PLUG
J6
2920-00-554-9155INTERCHANGEABLE
SPARK PLUG
638647
5110-01-118-6284INTERCHANGEABLE
SHEARS,METAL CUTTING,HAND
P6510S
5110-01-368-4457INTERCHANGEABLE
SHEARS,METAL CUTTING,HAND

Frequently Asked Questions

What is NSN 2920-00-711-6511?

NSN 2920-00-711-6511 is a Spark Plug, manufactured by Ford Motor Co General Parts Division, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-711-6511?

NSN 2920-00-711-6511 has 13 cross-referenced part numbers: RJ6 (Navistar Intl Corp Truck Br Ohio Plant), AR41 (Ford Motor Co Ford Parts and Service Div Government Part Sales), RJ6C (Champion Aerospace Llc), AR41 (Ford Motor Co General Parts Division), XJ6 (Champion Aerospace Llc) and 8 more.

What NSN replaces 2920-00-711-6511?

There are 4 known substitutes for 2920-00-711-6511: 2920-00-155-8040, 2920-00-554-9155, 5110-01-118-6284 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AR41?

Key specifications for AR41: Usage Design: ENGINE OTHER THAN AIRCRAFT; Special Features: SUPPORTS GRUMMAN A-10 AIRCRAFT; Nondefinitive Spec/std Data: 3 TYPE AND A 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.).. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-711-6511 still in active supply?

NSN 2920-00-711-6511 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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