The Damper,turbine Front Bearing, cataloged under National Stock Number 2840-00-015-2165, 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 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-015-2165 |
| Primary Part Number | 6844649 |
| Item Name | Damper,turbine Front Bearing |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Overall Diameter | 4.7545 INCHES MINIMUM AND 4.7555 INCHES MAXIMUM IN |
| Criticality Code Justification | MATT AND ADAV AND ABHP AND AGAV |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 6844649 | Kitco Llc (USA) |
| 6844649 PRIMARY | Rolls-Royce Corporation (USA) |
| 6844649 | Hydromach Inc Dba Hydromach Inc (USA) |
| 6844649 | Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| 6844649 | 5/9 Secondary reference General Motors Corp |
| 6844649 | 5/9 Secondary reference A F B Systems, Inc. Dba Sierra Tech |
| 6844649 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 2840PL1283264 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-00-015-2165 is a Damper,turbine Front Bearing, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-015-2165 has 4 manufacturer part numbers on file: 6844649 (Kitco Llc), 6844649 (Rolls-Royce Corporation), 6844649 (Hydromach Inc Dba Hydromach Inc), 6844649 (Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc).
Key specifications for 6844649: Overall Diameter: 4.7545 INCHES MINIMUM AND 4.7555 INCHES MAXIMUM IN; Criticality Code Justification: MATT AND ADAV AND ABHP AND AGAV; Overall Length: 0.812 INCHES NOMINAL IN; Special Features: MATL AMS 6415. 3 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 2840-00-015-2165 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.