The Spark Plug, cataloged under National Stock Number 2920-00-900-2923, 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 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2920-00-900-2923 |
| Primary Part Number | 398 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — No Item Name Available |
| Manufacturer | Allied-Signal Inc Autolite Div |
| Status | CANCELLED |
| 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 B CLASS |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Body Style | UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT |
| Seat Major Diameter | 0.812 INCHES MAXIMUM IN |
| Height Above Mounting Surface | 2.200 INCHES NOMINAL IN |
| Pressure Rating | 130.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 140.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS |
| Electrode Style | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| Reach Length | 0.750 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| N16Y | Champion Aerospace Llc (USA) |
| AG9 | Allied-Signal Inc Autolite Div (USA) |
| AG9 | Ford Motor Co General Parts Division (USA) |
| WS506 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 398 PRIMARY | Allied-Signal Inc Autolite Div (USA) |
| FEDSTD00143 | Federal Standards Promulgated by General Services Administration Washington DC |
| 4516352 | Agco Corp Parts Opn (USA) |
| B4ES PRIMARY | Ngk Spark Plugs Usa Inc (USA) |
NSN 2920-00-900-2923 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920 (No Item Name Available). Status: cancelled.
NSN 2920-00-900-2923 has 8 cross-referenced part numbers: N16Y (Champion Aerospace Llc), AG9 (Allied-Signal Inc Autolite Div), AG9 (Ford Motor Co General Parts Division), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), 398 (Allied-Signal Inc Autolite Div) and 3 more.
There are 7 known substitutes for 2920-00-900-2923: 6625-00-172-6634, 2920-00-540-8352, 2920-00-565-4838 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 398: 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 B CLASS; Width Across Flats: 0.812 INCHES NOMINAL IN; Usage Design: ENGINE OTHER THAN AIRCRAFT. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 2920-00-900-2923 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.