The Vibrator,ignition Coil, cataloged under National Stock Number 2925-01-148-1739, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2925-01-148-1739 |
| Primary Part Number | 49810-2 |
| Item Name | Vibrator,ignition Coil |
| FSC / FSG | 2925 / 29 — Engine Electrical System Components, Aircraft Prime Moving |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 9939M67P05 | General Electric Company (USA) |
| 49810-2 | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 49810-2 | 5/9 Secondary reference U.S. Government activity |
NSN 2925-01-148-1739 is a Vibrator,ignition Coil, manufactured by Unison Industries Llc, classified under FSC 2925, Engine Electrical System Components, Aircraft Prime Moving. Status: active.
NSN 2925-01-148-1739 has 2 manufacturer part numbers on file: 9939M67P05 (General Electric Company), 49810-2 (Unison Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-505-2361. Verify interchangeability with system specifications before substitution.
Key specifications for 49810-2: Criticality Code Justification: AGAV; Overall Width: 6.080 INCHES NOMINAL IN; Special Features: CONTAINS RADIOACTIVE CRYPTON 85, AMOUNT IS BELOW MIN AMOUNT REQUIRED FOR MEASUREMENT OR TO BE CONSIDERED HAZ MATT.; Part Name Assigned by Controlling Agency: EXCITER,IGNITION. 2 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 2925-01-148-1739 has DEMIL Code D. 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.