The Spark Plug, cataloged under National Stock Number 2920-00-540-8343, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Champion Aerospace Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-540-8343 |
| Primary Part Number | J12 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — No Item Name Available |
| Manufacturer | Champion Aerospace Llc |
| Status | ACTIVE |
| Body Style | UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT |
| Usage Design | ENGINE OTHER THAN 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.). |
| Nondefinitive Spec/std Data | 3 TYPE AND B CLASS |
| Electrode Style | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Pressure Rating | 100.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 115.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS |
| Seat Major Diameter | 0.812 INCHES MAXIMUM IN |
| Height Above Mounting Surface | 2.300 INCHES NOMINAL IN |
| Reach Length | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| J12 PRIMARY | Champion Aerospace Llc (USA) |
| A11 | Ford Motor Co General Parts Division (USA) |
| 48 | General Motors Llc Dba General Motors (USA) |
| WS506 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| M11 | Zeller Corp the (USA) |
| 48 | General Motors Llc Dba General Motors Llc (USA) |
NSN 2920-00-540-8343 is a Spark Plug, manufactured by Champion Aerospace Llc, classified under FSC 2920 (No Item Name Available). Status: active.
NSN 2920-00-540-8343 has 6 cross-referenced part numbers: J12 (Champion Aerospace Llc), A11 (Ford Motor Co General Parts Division), 48 (General Motors Llc Dba General Motors), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), M11 (Zeller Corp the) and 1 more.
There are 12 known substitutes for 2920-00-540-8343: 5895-00-005-0154, 5930-00-126-2615, 4130-00-230-0809 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for J12: Body Style: UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT; Usage Design: ENGINE OTHER THAN 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.).; Nondefinitive Spec/std Data: 3 TYPE AND B CLASS. 10 total characteristics are documented in the Federal Logistics Information System.