The Spark Plug, cataloged under National Stock Number 2920-00-294-3717, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-294-3717 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Top to Terminal Contact Distance | 3.672 INCHES NOMINAL IN |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Electrode Style | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| Body Style | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| DC Resistance Rating in Ohms | 10000.0 NOMINAL |
| Reach Length | 0.437 INCHES NOMINAL IN |
| Seat Major Diameter | 0.875 INCHES NOMINAL IN |
| Shield Thread Length | 0.375 INCHES NOMINAL IN |
| Terminal Sleeve Inside Diameter | 0.380 INCHES NOMINAL IN |
| Barrel Inside Diameter | 0.468 INCHES NOMINAL IN |
| Thread Size and Series/type Designator | 5/8-24 UNEF SHIELD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M11824 | 3/9 Design control — primary reference Mancraft Industries Inc |
| XE8C0M | 5/9 Secondary reference Champion Aerospace Llc |
NSN 2920-00-294-3717 is a Spark Plug, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
Key specifications for 2920-00-294-3717: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS; Width Across Flats: 1.000 INCHES NOMINAL IN; Top to Terminal Contact Distance: 3.672 INCHES NOMINAL IN; Usage Design: ENGINE OTHER THAN AIRCRAFT. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.