The Spark Plug, cataloged under National Stock Number 2920-00-540-7648, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2920-00-540-7648 |
| Primary Part Number | 356 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — No Item Name Available |
| Manufacturer | Allied-Signal Inc Autolite Div |
| Status | CANCELLED |
| Body Style | UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT |
| Reach Length | 0.375 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 3 TYPE AND B CLASS |
| 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.). |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Seat Major Diameter | 0.812 INCHES MAXIMUM IN |
| Pressure Rating | 195.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS |
| Electrode Style | SINGLE "J" TYPE GROUND ELECTRODE (SEE ALSO STYLE 1 & 17) |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 100288 | Mcculloch Corp (USA) |
| WS506 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| M45 | General Motors Llc Dba General Motors Llc (USA) |
| 356 PRIMARY | Allied-Signal Inc Autolite Div (USA) |
| J8J PRIMARY | Champion Aerospace Llc (USA) |
| J8J | E. P. Barrus Limited Div Special Products (GBR) |
| M5X | Zeller Corp the (USA) |
| M45 | General Motors Llc Dba General Motors (USA) |
NSN 2920-00-540-7648 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920 (No Item Name Available). Status: cancelled.
NSN 2920-00-540-7648 has 8 cross-referenced part numbers: 100288 (Mcculloch Corp), WS506 (Federal Specifications Promulgated by General Services Administration Washington DC), M45 (General Motors Llc Dba General Motors Llc), 356 (Allied-Signal Inc Autolite Div), J8J (Champion Aerospace Llc) and 3 more.
There are 10 known substitutes for 2920-00-540-7648: 6625-00-068-5559, 2320-00-736-8524, 2320-00-835-8196 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 356: Body Style: UNSHIELDED,SOLID OR THREADED POST,GASKET SEAT; Reach Length: 0.375 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 3 TYPE AND B CLASS; 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.).. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 2920-00-540-7648 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.