The Disk,turbine,aircraft Gas Turbin, cataloged under National Stock Number 2840-00-992-8191, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2840-00-992-8191 |
| Primary Part Number | 6851511 |
| Item Name | Disk,turbine,aircraft Gas Turbin |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Engine Section Location | TURBINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 6851511 | General Motors Corp (USA) |
| 6851511 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6851511 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6844061 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6844061 | 5/9 Secondary reference General Motors Corp |
NSN 2840-00-992-8191 is a Disk,turbine,aircraft Gas Turbin, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-992-8191 has 2 manufacturer part numbers on file: 6851511 (General Motors Corp), 6851511 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-307-5153. Verify interchangeability with system specifications before substitution.
Key specifications for 6851511: Criticality Code Justification: AGAV; Engine Section Location: TURBINE; Special Features: ORIGINAL NAME DISK,TURBINE,TURBINE ENGINE; End Item Identification: ACFT ENG T56. 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 2840-00-992-8191 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.