PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8F5899Spark Plug

Caterpillar Inc Div Caterpillar Defense · NSN 2920-00-293-5226 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-293-5226 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-293-5226. Primary manufacturer part number: 8F5899.
Features
  • Spark Plug — FSC 2920
  • Width Across Flats: 0.812 INCHES NOMINAL IN
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Reach Length: 0.375 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 3 TYPE AND B CLASS
  • Body Style: UNSHIELDED, THREADED POST, GASKET SEAT
  • Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
  • Seat Major Diameter: 0.810 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 2920-00-293-5226, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 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
NSN2920-00-293-5226
Primary Part Number8F5899
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Width Across Flats0.812 INCHES NOMINAL IN
Usage DesignENGINE OTHER THAN AIRCRAFT
Reach Length0.375 INCHES NOMINAL IN
Nondefinitive Spec/std Data3 TYPE AND B CLASS
Body StyleUNSHIELDED, THREADED POST, GASKET SEAT
Electrode StyleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Seat Major Diameter0.810 INCHES MAXIMUM IN
Pressure Rating100.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 115.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5305-00-273-5637MS24677-37 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5307-00-323-510555806 INTERCHANGEABLE
Stud,stepped
Rolls-Royce Corporation
5935-00-859-044809059320 INTERCHANGEABLE
Connector,receptacle,electrical
Bae Systems Information and Electronic Systems Integration Inc.
3120-00-864-3535BR14 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
5330-01-073-0197 INTERCHANGEABLE
Gasket
5935-01-295-2762 INTERCHANGEABLE
Connector Body,receptacle,electr
5935-01-462-8012G37936-002 INTERCHANGEABLE
Connector,plug,electrical
Pacific Consolidated Industries Llc
5910-01-507-8116LPX471M400H7P3 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Mallory Sonalert Products, Inc.
4920-01-600-5952BR14 INTERCHANGEABLE
Test Station,electrical-Electron
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
55806 Hyster-Yale Group, Inc. (USA)
660144 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
55806 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1559453 General Motors Llc Dba General Motors (USA)
8F5899 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
1559453 General Motors Corp (USA)
BR14 SL Auburn Inc Sub of SL Industries Inc (USA)
890212 Clark Equipment Co (USA)
000-152-1002 Tvh Parts Co. (USA)
1559453 General Motors Llc Dba General Motors Llc (USA)
000-152-1002 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
Related Parts
5305-00-273-5637INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
MS24677-37
5307-00-323-5105INTERCHANGEABLE
STUD,STEPPED
55806
5935-00-859-0448INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
09059320
3120-00-864-3535INTERCHANGEABLE
BEARING,SLEEVE
BR14
5330-01-073-0197INTERCHANGEABLE
GASKET
5935-01-295-2762INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
5935-01-462-8012INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
G37936-002
5910-01-507-8116INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
LPX471M400H7P3
4920-01-600-5952INTERCHANGEABLE
TEST STATION,ELECTRICAL-ELECTRON
BR14

Frequently Asked Questions

What is NSN 2920-00-293-5226?

NSN 2920-00-293-5226 is a Spark Plug, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-293-5226?

NSN 2920-00-293-5226 has 12 cross-referenced part numbers: 55806 (Hyster-Yale Group, Inc.), 660144 (Hyster-Yale Group, Inc. Dba Yale Materials Handling), 55806 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), 1559453 (General Motors Llc Dba General Motors) and 7 more.

What NSN replaces 2920-00-293-5226?

There are 9 known substitutes for 2920-00-293-5226: 5305-00-273-5637, 5307-00-323-5105, 5935-00-859-0448 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8F5899?

Key specifications for 8F5899: Width Across Flats: 0.812 INCHES NOMINAL IN; Usage Design: ENGINE OTHER THAN AIRCRAFT; Reach Length: 0.375 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 3 TYPE AND B CLASS. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-293-5226 still in active supply?

NSN 2920-00-293-5226 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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