NSN 2925-00-294-3890 RB27R, 00-294-3890, 002943890
Product Details | SPARK PLUG
2925-00-294-3890 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: RB27R, 2925-00-294-3890, 00-294-3890, 2925002943890, 002943890
Engine Accessories | Engine Electrical System Components, Aircraft Prime Moving
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | 01 JAN 1963 | 00-294-3890 | 00294 ( SPARK PLUG ) |
Drawings & Photos | NSN 2925-00-294-3890
Cross Reference | NSN 2925-00-294-3890
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| RB27R | 05045 | B G SERVICE COMPANY, INC., THE |
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Technical Data | NSN 2925-00-294-3890
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A6 ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.802 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.820 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 2.190 INCHES MINIMUM AND 2.310 INCHES MAXIMUM |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES MINIMUM AND 1.050 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.120 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.250 INCHES NOMINAL |
| BARREL INSIDE DIAMETER | 0.469 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.383 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 |
| DC RESISTANCE RATING IN OHMS | 3000.0 NOMINAL |
| USAGE DESIGN | AIRCRAFT ENGINE |
| MANUFACTURERS CODE | 05045 |
| DESIGN CONTROL REFERENCE | RB27R |
Restrictions/Controls & Freight Information | NSN 2925-00-294-3890
| 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 | ||