PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

353Spark Plug

Allied-Signal Inc Autolite Div · NSN 2920-00-455-5414 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-455-5414 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-455-5414. Primary manufacturer part number: 353.
Features
  • Spark Plug — FSC 2920
  • Body Style: UNSHIELDED, SOLID POST, GASKET SEAT
  • 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.).
  • Width Across Flats: 0.812 INCHES NOMINAL IN
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Seat Major Diameter: 0.812 INCHES MAXIMUM IN
  • Height Above Mounting Surface: 2.203 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 2920-00-455-5414, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Allied-Signal Inc Autolite Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN2920-00-455-5414
Primary Part Number353
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerAllied-Signal Inc Autolite Div
StatusACTIVE
Body StyleUNSHIELDED, SOLID POST, GASKET SEAT
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.).
Width Across Flats0.812 INCHES NOMINAL IN
Usage DesignENGINE OTHER THAN AIRCRAFT
Seat Major Diameter0.812 INCHES MAXIMUM IN
Height Above Mounting Surface2.203 INCHES NOMINAL IN
Pressure Rating320.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 340.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Reach Length0.375 INCHES NOMINAL IN
Electrode StyleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5975-00-176-4344T-42 INTERCHANGEABLE
Conduit Outlet
Bridgeport Fittings Inc
9150-00-261-8294C-421 INTERCHANGEABLE
Grease,plug Valve
Flowserve Us Inc. Dba Flowserve Div Flow Control - Oil and Gas Sector
5977-00-303-7966224901 INTERCHANGEABLE
Brush,electrical Contact
Hyster-Yale Group, Inc. Dba Yale Materials Handling
3895-00-424-0576 INTERCHANGEABLE
Shaft,pulley
6250-00-884-2103 INTERCHANGEABLE
Starter,fluorescent Lamp
5961-00-948-9231C421 INTERCHANGEABLE
Semiconductor Device,diode
Howell Instruments, Inc. Dba Howell Instruments Inc
5315-01-230-3699 INTERCHANGEABLE
Pin,grooved,headless
5999-01-609-2837C4-2-1 INTERCHANGEABLE
Control Unit,specia
Carlisle & Finch Co
6635-01-671-0416AT2 INTERCHANGEABLE
Transducer,ultrasonic Test
Ndt Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
353 PRIMARY Allied-Signal Inc Autolite Div (USA)
CHA825 PRIMARY Champion Aerospace Llc (USA)
AT2 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
AT2 Ford Motor Company (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
NGK3710 PRIMARY Ngk Spark Plugs /usa/ Inc (USA)
C42-1 General Motors Llc Dba General Motors (USA)
Related Parts
5975-00-176-4344INTERCHANGEABLE
CONDUIT OUTLET
T-42
9150-00-261-8294INTERCHANGEABLE
GREASE,PLUG VALVE
C-421
5977-00-303-7966INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
224901
3895-00-424-0576INTERCHANGEABLE
SHAFT,PULLEY
6250-00-884-2103INTERCHANGEABLE
STARTER,FLUORESCENT LAMP
5961-00-948-9231INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
C421
5315-01-230-3699INTERCHANGEABLE
PIN,GROOVED,HEADLESS
5999-01-609-2837INTERCHANGEABLE
CONTROL UNIT,SPECIA
C4-2-1
6635-01-671-0416INTERCHANGEABLE
TRANSDUCER,ULTRASONIC TEST
AT2

Frequently Asked Questions

What is NSN 2920-00-455-5414?

NSN 2920-00-455-5414 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-00-455-5414?

NSN 2920-00-455-5414 has 7 cross-referenced part numbers: 353 (Allied-Signal Inc Autolite Div), CHA825 (Champion Aerospace Llc), AT2 (Ford Motor Co Ford Parts and Service Div Government Part Sales), AT2 (Ford Motor Company), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC) and 2 more.

What NSN replaces 2920-00-455-5414?

There are 9 known substitutes for 2920-00-455-5414: 5975-00-176-4344, 9150-00-261-8294, 5977-00-303-7966 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 353?

Key specifications for 353: Body Style: UNSHIELDED, SOLID POST, GASKET SEAT; Special Features: INDUSTRIAL-COMMERCIAL STYLE; 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.).. 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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