PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66Spark Plug

Allied-Signal Inc Autolite Div · NSN 2920-00-826-9732 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-826-9732 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-826-9732. Primary manufacturer part number: 66.
Features
  • Spark Plug — FSC 2920
  • Reach Length: 0.750 INCHES NOMINAL IN
  • 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.).
  • Width Across Flats: 0.812 INCHES NOMINAL IN
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Electrode Style: SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
  • Seat Major Diameter: 0.812 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spark Plug, cataloged under National Stock Number 2920-00-826-9732, 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 18 commercial cross-references from 13 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
NSN2920-00-826-9732
Primary Part Number66
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerAllied-Signal Inc Autolite Div
StatusCANCELLED
Reach Length0.750 INCHES NOMINAL IN
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.).
Width Across Flats0.812 INCHES NOMINAL IN
Usage DesignENGINE OTHER THAN AIRCRAFT
Electrode StyleSINGLE GROUND ELECTRODE (SEE ALSO STYLE 1)
Seat Major Diameter0.812 INCHES MAXIMUM IN
Pressure Rating175.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
DC Resistance Rating in Ohms10000.0 NOMINAL
Body StyleUNSHIELDED,SOLID OR THREADED POST,GASKET SEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2920-00-900-2922N16YC INTERCHANGEABLE
Spark Plug
Lite Metals Company Inc
5305-00-930-0736SMB447786 INTERCHANGEABLE
Screw,cap,socket Head
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
AGR52 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
XN14Y Champion Aerospace Llc (USA)
14GR52 Prestolite Electric Inc (USA)
RN14Y Champion Aerospace Llc (USA)
66 PRIMARY Allied-Signal Inc Autolite Div (USA)
14GR52 PRIMARY Prestolite Electric Inc (USA)
RN14YC Champion Aviation Inc Automotive Div (USA)
3180257 Kenosha Automotive Plant Sub of American Motors Corp (USA)
14GR52 Allied-Signal Inc Autolite Div (USA)
3002288 Hyster-Yale Group, Inc. (USA)
RN14YC Champion Aerospace Llc (USA)
R45XLS General Motors Llc Dba General Motors Llc (USA)
3058024 PRIMARY Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
WR9DC PRIMARY Robert Bosch Llc (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
326827 Hyster-Yale Group, Inc. (USA)
4885-18-110 Toyo Kogyo Co. Ltd (JPN)
R45XLS General Motors Llc Dba General Motors (USA)
Related Parts
2920-00-900-2922INTERCHANGEABLE
SPARK PLUG
N16YC
5305-00-930-0736INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
SMB447786

Frequently Asked Questions

What is NSN 2920-00-826-9732?

NSN 2920-00-826-9732 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-826-9732?

NSN 2920-00-826-9732 has 18 cross-referenced part numbers: AGR52 (Ford Motor Co Ford Parts and Service Div Government Part Sales), XN14Y (Champion Aerospace Llc), 14GR52 (Prestolite Electric Inc), RN14Y (Champion Aerospace Llc), 66 (Allied-Signal Inc Autolite Div) and 13 more.

What NSN replaces 2920-00-826-9732?

There are 2 known substitutes for 2920-00-826-9732: 2920-00-900-2922, 5305-00-930-0736. Verify interchangeability with system specifications before substitution.

What are the specifications of 66?

Key specifications for 66: Reach Length: 0.750 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 3 TYPE AND A CLASS; Special Features: GRUMMAN A-10 AIRCRAFT; 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.

Is NSN 2920-00-826-9732 still in active supply?

NSN 2920-00-826-9732 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.
PartsTable Design LLC · partstable.com