The Gearshaft,multiple Gears, cataloged under National Stock Number 3040-00-181-3115, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Triumph Gear Systems - Macomb, Inc. Government technical data includes 1 specification, 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 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 | 3040-00-181-3115 |
| Primary Part Number | 678507 |
| Item Name | Gearshaft,multiple Gears |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Triumph Gear Systems - Macomb, Inc |
| Status | ACTIVE |
| Gear Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-181-3115 is a Gearshaft,multiple Gears, manufactured by Triumph Gear Systems - Macomb, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-181-3115 has 2 manufacturer part numbers on file: 678507 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 678507 (Triumph Gear Systems - Macomb, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5910-00-815-0412. Verify interchangeability with system specifications before substitution.
Key specifications for 678507: Gear Quantity: 2. 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.
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.