NSN 2925-00-142-8731 AC181, 00-142-8731, 001428731
Product Details | SPARK PLUG
2925-00-142-8731 An item containing two or more electrodes across which an electric spark is discharged to ignite a fuel and air mixture, primarily in internal combustion engines. Excludes GLOW PLUG; and ELECTRODE.20229200048Engine Electrical System Components, Nonaircraft29250058Engine Electrical System Components, Aircraft Prime Moving
Part Alternates: AC181, 2925-00-142-8731, 00-142-8731, 2925001428731, 001428731
Engine Accessories | Engine Electrical System Components, Aircraft Prime Moving
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | 01 JAN 1963 | 00-142-8731 | 00294 ( SPARK PLUG ) |
Drawings & Photos | NSN 2925-00-142-8731
Demand History | NSN 2925-00-142-8731
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 2925-00-142-8731 | 2020-09-12 | 112 | United States |
| 2925-00-142-8731 | 2011-06-30 | 28 | United States |
| 2925-00-142-8731 | 2010-04-18 | 500 | US |
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Technical Data | NSN 2925-00-142-8731
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A5 ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.870 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.960 INCHES NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES MINIMUM AND 1.070 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| ELECTRODE STYLE | B12 TWO FLAT GROUND ELECTRODE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION | 18-1.5MM BASE 5/8-24 UNEF SHIELDING |
| MEAN EFFECTIVE PRESSURE RATING | 340.0 POUNDS PER SQUARE INCH NOMINAL |
| DC RESISTANCE RATING IN OHMS | 1500.0 NOMINAL |
| USAGE DESIGN | AIRCRAFT ENGINE |
| MANUFACTURERS CODE | 70040 |
| DESIGN CONTROL REFERENCE | AC181 |
Restrictions/Controls & Freight Information | NSN 2925-00-142-8731
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Precious Metals Indicator Code: | P | Item contains platinum family metals |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||