The Spindle,drive, cataloged under National Stock Number 2915-01-139-7040, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2915-01-139-7040 |
| Primary Part Number | 103979 |
| Item Name | Spindle,drive |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 1.250 IN. O/A DIA,FLANGE ONE END,4.540 IN. LG,0.312-24 UNJF-3A THD OTHER END A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 103979 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 10158957 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 103979 | 5/2 Secondary reference U.S. Government activity |
NSN 2915-01-139-7040 is a Spindle,drive, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-139-7040 has 1 manufacturer part number on file: 103979 (Triumph Engine Control Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 4110-01-716-0048. Verify interchangeability with system specifications before substitution.
Key specifications for 103979: General Characteristics Item Description: 1.250 IN. O/A DIA,FLANGE ONE END,4.540 IN. LG,0.312-24 UNJF-3A THD OTHER END A; End Item Identification: JET ENGINE MODEL F404. 1 specification is 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 2915-01-139-7040 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.