PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H11Spark Plug

Champion Aerospace Llc · NSN 2920-00-542-1320 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-542-1320 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-542-1320. Primary manufacturer part number: H11.
Features
  • Spark Plug — FSC 2920
  • 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.).
  • Reach Length: 0.437 INCHES NOMINAL IN
  • Width Across Flats: 0.812 INCHES NOMINAL IN
  • Body Style: UNSHIELDED, SOLID POST, GASKET SEAT
  • Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spark Plug, cataloged under National Stock Number 2920-00-542-1320, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Champion Aerospace Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-00-542-1320
Primary Part NumberH11
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerChampion Aerospace Llc
StatusACTIVE
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.).
Reach Length0.437 INCHES NOMINAL IN
Width Across Flats0.812 INCHES NOMINAL IN
Body StyleUNSHIELDED, SOLID POST, GASKET SEAT
Electrode StyleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Usage DesignENGINE OTHER THAN AIRCRAFT
Pressure Rating145.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Seat Major Diameter0.8125 INCHES MAXIMUM IN
Height Above Mounting Surface2.310 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-240-7384H011 INTERCHANGEABLE
Semiconductor Device,photo
Texas Instruments Incorporated
3110-00-293-8908RMS12 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5930-00-503-4278571-6202-1301776REVALINE304 INTERCHANGEABLE
Switch,thermostatic
Naval Ship Systems Command
5120-00-829-8585 INTERCHANGEABLE
Key,socket Head Screw
6105-00-854-7960413242-1 INTERCHANGEABLE
Motor,control
Raytheon Company Dba Raytheon
6810-00-953-1095H11 INTERCHANGEABLE
Curing Agent,cataly
Products/techniques, Inc. Dba P T I
6135-00-985-7845003-360013R00 INTERCHANGEABLE
Battery,nonrechargeable
Insitu, Inc.
3110-01-281-8906AL9 INTERCHANGEABLE
Bearing,ball,annular
Circor Naval Solutions Llc Dba Warren Pumps
5950-01-351-4768872248-1 INTERCHANGEABLE
Reactor
Drs Sustainment Systems Inc
Cross-Reference Index
Part NumberManufacturer
H11 Champion Aerospace Llc (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AL9 Ford Motor Company (USA)
AL9 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
Related Parts
5961-00-240-7384INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
H011
3110-00-293-8908INTERCHANGEABLE
BEARING,BALL,ANNULAR
RMS12
5930-00-503-4278INTERCHANGEABLE
SWITCH,THERMOSTATIC
571-6202-1301776REVALINE304
5120-00-829-8585INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
6105-00-854-7960INTERCHANGEABLE
MOTOR,CONTROL
413242-1
6810-00-953-1095INTERCHANGEABLE
CURING AGENT,CATALY
H11
6135-00-985-7845INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
003-360013R00
3110-01-281-8906INTERCHANGEABLE
BEARING,BALL,ANNULAR
AL9
5950-01-351-4768INTERCHANGEABLE
REACTOR
872248-1

Frequently Asked Questions

What is NSN 2920-00-542-1320?

NSN 2920-00-542-1320 is a Spark Plug, manufactured by Champion Aerospace Llc, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-00-542-1320?

NSN 2920-00-542-1320 has 4 cross-referenced part numbers: H11 (Champion Aerospace Llc), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), AL9 (Ford Motor Company), AL9 (Ford Motor Co Ford Parts and Service Div Government Part Sales).

What NSN replaces 2920-00-542-1320?

There are 9 known substitutes for 2920-00-542-1320: 5961-00-240-7384, 3110-00-293-8908, 5930-00-503-4278 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H11?

Key specifications for H11: 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.).; Reach Length: 0.437 INCHES NOMINAL IN; Width Across Flats: 0.812 INCHES NOMINAL IN. 10 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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