The Parts Kit,exciter,engine, cataloged under National Stock Number 2925-00-991-9223, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2925-00-991-9223 |
| Primary Part Number | 84251 |
| Item Name | Parts Kit,exciter,engine |
| FSC / FSG | 2925 / 29 — Engine Electrical System Components, Aircraft Prime Moving |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| FSC Application Data | ENGINE ELECTRICAL SYSTEM COMPONENTS,AIRCRAFT |
| General Characteristics Item Description | C/O 4 NUTS PN 7689; SCREWS 1 PN 61440,6 PN 61421; STRIPS 2 EA PN 61730,61801,1 EA PN 61895,61974,37951; CAPS 1 EA PN 12482,24460,37577,37578,2 EA PN 24171; 9 GROMMETS PN 14896; LEAD ASSYS 1 EA PN 22524,22530,22585,37630; SLEEVINGS 1 EA PN 22643,24288,24290,52889,69941; 1 CABLE PN 24289; 1 TAPE LACING PN 24291; 1 COVER PN 34706; SHEETS 1 EA PN 37475,37477,37478,52802,52803,52804,52805; SHELLS 2 EA PN 37581,37628; 1 INSULATOR PN 37588; 1 SPACER PN 37490 |
| 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 2925-00-991-9223 is a Parts Kit,exciter,engine, manufactured by Unison Industries Llc, classified under FSC 2925, Engine Electrical System Components, Aircraft Prime Moving. Status: active.
NSN 2925-00-991-9223 has 2 manufacturer part numbers on file: 84251 (Unison Industries Llc), 31029 (Unison Industries Llc).
4 possible matches (shared part number, not a government interchangeability claim): 6515-01-245-2194, 3020-01-259-7368, 7520-01-486-4658. Verify interchangeability with system specifications before substitution.
Key specifications for 84251: FSC Application Data: ENGINE ELECTRICAL SYSTEM COMPONENTS,AIRCRAFT; General Characteristics Item Description: C/O 4 NUTS PN 7689; SCREWS 1 PN 61440,6 PN 61421; STRIPS 2 EA PN 61730,61801,1 EA PN 61895,61974,37951; CAPS 1 EA PN 12482,24460,37577,37578,2 EA PN 24171; 9 GROMMETS PN 14896; LEAD ASSYS 1 EA PN 22524,22530,22585,37630; SLEEVINGS 1 EA PN 22643,24288,24290,52889,69941; 1 CABLE PN 24289; 1 TAPE LACING PN 24291; 1 COVER PN 34706; SHEETS 1 EA PN 37475,37477,37478,52802,52803,52804,52805; SHELLS 2 EA PN 37581,37628; 1 INSULATOR PN 37588; 1 SPACER PN 37490; End Item Identification: U/O NO. 40991 EXCITER,IGNITOR,APPL J85-5-13-17 ENGINE. 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 2925-00-991-9223 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.