The Spark Plug, cataloged under National Stock Number 2925-00-294-3874, is classified within Federal Supply Class 2925 (Engine Electrical System Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Champion Aerospace Llc. Government technical data includes 12 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 | 2925-00-294-3874 |
| Primary Part Number | R819 |
| Item Name | Spark Plug |
| FSC / FSG | 2925 / 29 — Engine Electrical System Components, Aircraft Prime Moving |
| Manufacturer | Champion Aerospace Llc |
| Status | ACTIVE |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Top to Terminal Contact Distance | 1.000 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN |
| Height Above Mounting Surface | 2.250 INCHES NOMINAL IN |
| Usage Design | AIRCRAFT ENGINE |
| Electrode Style | FOUR GAP GROUND ELECTRODE |
| Body Style | ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT |
| DC Resistance Rating in Ohms | 1000.0 NOMINAL |
| Reach Length | 0.812 INCHES NOMINAL IN |
| Seat Major Diameter | 1.000 INCHES NOMINAL IN |
| Shield Thread Length | 0.375 INCHES NOMINAL IN |
| Top to Shield Thread Distance | 0.125 INCHES NOMINAL IN |
| Terminal Sleeve Inside Diameter | 0.380 INCHES NOMINAL IN |
| 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 |
|---|---|
| R819 PRIMARY | Champion Aerospace Llc (USA) |
NSN 2925-00-294-3874 is a Spark Plug, manufactured by Champion Aerospace Llc, classified under FSC 2925, Engine Electrical System Components, Aircraft Prime Moving. Status: active.
NSN 2925-00-294-3874 has 1 manufacturer part number on file: R819 (Champion Aerospace Llc).
Key specifications for R819: Width Across Flats: 0.875 INCHES NOMINAL IN; Top to Terminal Contact Distance: 1.000 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN; Height Above Mounting Surface: 2.250 INCHES NOMINAL IN; Usage Design: AIRCRAFT ENGINE. 12 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.