NSN 2920-00-075-5121 RB312S, WS506, 00-075-5121
Product Details | SPARK PLUG
2920-00-075-5121 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: RB312S, WS506, 2920-00-075-5121, 00-075-5121, 2920000755121, 000755121
Engine Accessories | Engine Electrical System Components, Nonaircraft
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | 01 JAN 1963 | 00-075-5121 | 00294 ( SPARK PLUG ) |
Drawings & Photos | NSN 2920-00-075-5121
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Technical Data | NSN 2920-00-075-5121
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A5 ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.625 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.937 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 1.125 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 2.625 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES NOMINAL |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.500 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES NOMINAL |
| ELECTRODE STYLE | B12 TWO FLAT GROUND ELECTRODE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION | 7/8-18 UNS BASE 5/8-24 UNEF SHIELDING |
| MEAN EFFECTIVE PRESSURE RATING | 245.0 POUNDS PER SQUARE INCH NOMINAL |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND A CLASS |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | WS506 |
Restrictions/Controls & Freight Information | NSN 2920-00-075-5121
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| 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 | ||