The Spark Plug, cataloged under National Stock Number 2920-00-900-2889, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2920-00-900-2889 |
| Primary Part Number | 85 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — No Item Name Available |
| Manufacturer | Allied-Signal Inc Autolite Div |
| Status | CANCELLED |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| 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.). |
| Nondefinitive Spec/std Data | 3 TYPE AND A CLASS |
| Reach Length | 0.375 INCHES NOMINAL IN |
| Body Style | UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT |
| DC Resistance Rating in Ohms | 10000.0 NOMINAL |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Height Above Mounting Surface | 2.310 INCHES NOMINAL IN |
| Pressure Rating | 240.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 280.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS |
| Seat Major Diameter | 0.8125 INCHES MAXIMUM IN |
| Electrode Style | SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1) |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AR42 | Ford Motor Co Ford Parts and Service Div Government Part Sales (USA) |
| AR32 | Ford Motor Co Ford Parts and Service Div Government Part Sales (USA) |
| RJ11Y | Champion Aerospace Llc (USA) |
| RJ12YC | Champion Aviation Inc Automotive Div (USA) |
| RJ-10Y | Champion Aerospace Llc (USA) |
| 2642989 | Chrysler Corp Service and Parts Opns (USA) |
| 84 | Allied-Signal Inc Autolite Div (USA) |
| 391775C91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| R43S | General Motors Llc Dba General Motors Llc (USA) |
| AS42C | Ford Motor Co Ford Parts and Service Div Government Part Sales (USA) |
| R43S | General Motors Llc Dba General Motors (USA) |
| 75 | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
| XJ11Y | Champion Aerospace Llc (USA) |
| 85 PRIMARY | Allied-Signal Inc Autolite Div (USA) |
| WS506 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| RJ12YC | Champion Aerospace Llc (USA) |
| XJ10Y | Champion Aerospace Llc (USA) |
| AS42C | Ford Motor Company (USA) |
| A32 | Ford Motor Company (USA) |
| J9Y | Champion Aerospace Llc (USA) |
NSN 2920-00-900-2889 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920 (No Item Name Available). Status: cancelled.
NSN 2920-00-900-2889 has 20 cross-referenced part numbers: AR42 (Ford Motor Co Ford Parts and Service Div Government Part Sales), AR32 (Ford Motor Co Ford Parts and Service Div Government Part Sales), RJ11Y (Champion Aerospace Llc), RJ12YC (Champion Aviation Inc Automotive Div), RJ-10Y (Champion Aerospace Llc) and 15 more.
There are 12 known substitutes for 2920-00-900-2889: 4710-00-065-5299, 3455-00-228-5238, 4730-00-265-6909 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 85: Width Across Flats: 0.812 INCHES NOMINAL IN; 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.).; Nondefinitive Spec/std Data: 3 TYPE AND A CLASS; Special Features: EXTENDED ELECTRODE TIP STYLE. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 2920-00-900-2889 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.