The Spark Plug, cataloged under National Stock Number 2920-00-294-3784, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Champion Aerospace Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-294-3784 |
| Primary Part Number | CH10S |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Champion Aerospace Llc |
| Status | ACTIVE |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Top to Terminal Contact Distance | 1.000 INCHES NOMINAL IN |
| Height Above Mounting Surface | 2.625 INCHES NOMINAL IN |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Electrode Style | SINGLE ROUND GROUND ELECTRODE |
| Body Style | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| Reach Length | 0.312 INCHES NOMINAL IN |
| Seat Major Diameter | 0.391 INCHES NOMINAL IN |
| Shield Thread Length | 0.250 INCHES NOMINAL IN |
| Top to Shield Thread Distance | 0.094 INCHES NOMINAL IN |
| Terminal Sleeve Inside Diameter | 0.375 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 |
| Part Number | Manufacturer |
|---|---|
| CH10S PRIMARY | Champion Aerospace Llc (USA) |
NSN 2920-00-294-3784 is a Spark Plug, manufactured by Champion Aerospace Llc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-294-3784 has 1 manufacturer part number on file: CH10S (Champion Aerospace Llc).
Key specifications for CH10S: Width Across Flats: 0.812 INCHES NOMINAL IN; Top to Terminal Contact Distance: 1.000 INCHES NOMINAL IN; Height Above Mounting Surface: 2.625 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.