The Coil,magneto, cataloged under National Stock Number 2925-00-033-2281, is classified within Federal Supply Class 2925 (Engine Electrical System Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Unison Industries Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2925-00-033-2281 |
| Primary Part Number | 10-18825 |
| Item Name | Coil,magneto |
| FSC / FSG | 2925 / 29 — Engine Electrical System Components, Aircraft Prime Moving |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Core Width | 0.625 INCHES NOMINAL IN |
| Primary Winding Turn Quantity | 137 |
| Secondary Winding Turn Quantity | 12700 |
| Length | 3.875 INCHES NOMINAL IN |
| Core Height | 0.625 INCHES NOMINAL IN |
| Secondary Terminal Quantity | 1 |
| Core | INCLUDED |
| Secondary Winding Awg Size | 38 |
| Core Length | 3.000 INCHES NOMINAL IN |
| Primary Terminal Type | THREADED HOLE |
| Secondary Terminal Type | SPRING CLIP |
| Primary Winding Awg Size | 18 |
| Height | 2.594 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Mounting Configuration | TWO 0.228 IN. W SLOTS LOCATED 2.407 IN. END TO END IN |
| Width | 2.594 INCHES NOMINAL IN |
| Special Markings | SERIAL NO. ON HOUSING |
| Primary Terminal Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2925-00-033-2281 is a Coil,magneto, manufactured by Unison Industries Llc, classified under FSC 2925, Engine Electrical System Components, Aircraft Prime Moving. Status: active.
NSN 2925-00-033-2281 has 2 manufacturer part numbers on file: 10-18825 (Amphenol Corp Div Amphenol Aerospace Operations), 10-18825 (Unison Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-879-1053. Verify interchangeability with system specifications before substitution.
Key specifications for 10-18825: Core Width: 0.625 INCHES NOMINAL IN; Primary Winding Turn Quantity: 137; Secondary Winding Turn Quantity: 12700; Length: 3.875 INCHES NOMINAL IN. 18 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.
NSN 2925-00-033-2281 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.