The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-00-960-9844, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal,air,aircraft Gas Turbine En |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Hydromach Inc Dba Hydromach Inc (CAGE 1FG56); Rolls-Royce Corporation (CAGE 63005) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-960-9844 |
| Primary Part Number | 6844056 |
| Item Name | Seal,air,aircraft Gas Turbine En |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 6844056 | Hydromach Inc Dba Hydromach Inc (USA) |
| 6844056 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6844056 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6844056 | 5/9 Secondary reference A F B Systems, Inc. Dba Sierra Tech |
| 6844056 | 5/9 Secondary reference Numet Acquisition Aerocision, Inc. |
| 6844056 | 5/9 Secondary reference Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
| 6844056 | 5/9 Secondary reference U.S. Government activity |
| 6844056 | 5/9 Secondary reference Aero Technology Company |
| 6844056 | 5/9 Secondary reference General Motors Corp |
| 6844056 | 5/9 Secondary reference Kitco Llc |
| 6844056 | 5/9 Secondary reference Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc |
| 6844-56 | 5/9 Secondary reference A F B Systems, Inc. Dba Sierra Tech |
NSN 2840-00-960-9844 is a Seal,air,aircraft Gas Turbine En, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-960-9844 has 2 manufacturer part numbers on file: 6844056 (Hydromach Inc Dba Hydromach Inc), 6844056 (Rolls-Royce Corporation).
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 2840-00-960-9844 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.