PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22HS794Spark Plug

Oshkosh Defense Llc · NSN 2920-00-555-5981 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-555-5981 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-555-5981. Primary manufacturer part number: 22HS794.
Features
  • Spark Plug — FSC 2920
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
  • Nondefinitive Spec/std Data: 3 TYPE AND A CLASS
  • Reach Length: 0.500 INCHES NOMINAL IN
  • Body Style: UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 210.0 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 2920-00-555-5981, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2920-00-555-5981
Primary Part Number22HS794
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Width Across Flats0.875 INCHES NOMINAL IN
Electrode StyleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Nondefinitive Spec/std Data3 TYPE AND A CLASS
Reach Length0.500 INCHES NOMINAL IN
Body StyleUNSHIELDED,SOLID OR THREADED POST,GASKET SEAT
Usage DesignENGINE OTHER THAN AIRCRAFT
Pressure Rating200.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 210.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Seat Major Diameter1.000 INCHES MAXIMUM IN
DC Resistance Rating in Ohms10000.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-024-0339 INTERCHANGEABLE
Driver Head,valve Seat Ring Inse
3110-00-100-8525AKLD14 INTERCHANGEABLE
Bearing,ball,thrust
Schaeffler Group Usa Inc
3110-00-108-7696FRD1 3-4 INTERCHANGEABLE
Bearing,roller,needle
Mcgill Manufacturing Co, Inc
5905-00-240-7986 INTERCHANGEABLE
Resistor,fixed,film
3820-00-275-2634 INTERCHANGEABLE
Drill,pneumatic,drifter
5950-00-320-6655SM-A-731356-1 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5962-00-438-32096296785 INTERCHANGEABLE
Microcircuit,linear
Naval Sea Systems Command
5945-00-557-2913D-14D INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5910-00-669-4496 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5360-00-754-22263010048 INTERCHANGEABLE
Spring,helical,compression
Mycone Dental Supply Co. Inc. Dba National Keystone Products
Cross-Reference Index
Part NumberManufacturer
22HS794 Oshkosh Defense Llc (USA)
BT6 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
D14 Champion Aviation Inc Automotive Div (USA)
WS506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
22HS794 Oshkosh Corp (USA)
6412180 Hercules Engine Co Inc (USA)
M40R Bridgestone Americas Tire Operations, Llc (USA)
6412180 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
D14 Champion Aerospace Llc (USA)
CR83 General Motors Llc Dba General Motors (USA)
XD14 Champion Aerospace Llc (USA)
RD14 Champion Aerospace Llc (USA)
276488R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
F85 Federal Standards Promulgated by General Services Administration Washington DC
CR83 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5120-00-024-0339INTERCHANGEABLE
DRIVER HEAD,VALVE SEAT RING INSE
3110-00-100-8525INTERCHANGEABLE
BEARING,BALL,THRUST
AKLD14
3110-00-108-7696INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
FRD1 3-4
5905-00-240-7986INTERCHANGEABLE
RESISTOR,FIXED,FILM
3820-00-275-2634INTERCHANGEABLE
DRILL,PNEUMATIC,DRIFTER
5950-00-320-6655INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-A-731356-1
5962-00-438-3209INTERCHANGEABLE
MICROCIRCUIT,LINEAR
6296785
5945-00-557-2913INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
D-14D
5910-00-669-4496INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5360-00-754-2226INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3010048
4720-00-760-7654INTERCHANGEABLE
TUBING,NONMETALLIC
5306-00-776-8025INTERCHANGEABLE
BOLT,MACHINE
XD14A

Frequently Asked Questions

What is NSN 2920-00-555-5981?

NSN 2920-00-555-5981 is a Spark Plug, manufactured by Oshkosh Defense Llc, classified under FSC 2920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2920-00-555-5981?

NSN 2920-00-555-5981 has 15 cross-referenced part numbers: 22HS794 (Oshkosh Defense Llc), BT6 (Ford Motor Co Ford Parts and Service Div Government Part Sales), D14 (Champion Aviation Inc Automotive Div), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), 22HS794 (Oshkosh Corp) and 10 more.

What NSN replaces 2920-00-555-5981?

There are 12 known substitutes for 2920-00-555-5981: 5120-00-024-0339, 3110-00-100-8525, 3110-00-108-7696 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22HS794?

Key specifications for 22HS794: Width Across Flats: 0.875 INCHES NOMINAL IN; Electrode Style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4); Nondefinitive Spec/std Data: 3 TYPE AND A CLASS; Special Features: GRUMMAN AEROSPACE CORP A10 AIRCRAFT. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2920-00-555-5981 still in active supply?

NSN 2920-00-555-5981 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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