The Gearshaft Assy,pump, cataloged under National Stock Number 2840-00-613-3475, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Corporation. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2840-00-613-3475 |
| Primary Part Number | M250-10068 |
| Item Name | Gearshaft Assy,pump |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6853448 | Rolls-Royce Corporation (USA) |
| M250-10068 | Boeing Distribution, Inc. (USA) |
| M250-10068 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6853448 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6853448 | 5/9 Secondary reference Boeing Distribution, Inc. |
NSN 2840-00-613-3475 is a Gearshaft Assy,pump, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-613-3475 has 3 manufacturer part numbers on file: 6853448 (Rolls-Royce Corporation), M250-10068 (Boeing Distribution, Inc.), M250-10068 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-594-3592. Verify interchangeability with system specifications before substitution.
Key specifications for M250-10068: End Item Identification: T63-A-700 & T63-A-720 TURBINE ENGINE. 0 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 2840-00-613-3475 has DEMIL Code Q. 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.