The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-00-016-0820, 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 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-016-0820 |
| Primary Part Number | 6844627 |
| 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 |
| Stage Number | 1 |
| Criticality Code Justification | AGAV |
| Engine Section Location | LOW PRESSURE TURBINE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 6844627 | Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc (USA) |
| 6844627 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6844627 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6844627 | 5/9 Secondary reference Electro-Methods, L.p. |
| 6844627 | 5/9 Secondary reference Associated Aerospace Activities Inc |
| 6844627 | 5/9 Secondary reference General Motors Corp |
| 6844627 | 5/9 Secondary reference Aero Sheet Metal Inc |
NSN 2840-00-016-0820 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 2840-00-016-0820 has 2 manufacturer part numbers on file: 6844627 (Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc), 6844627 (Rolls-Royce Corporation).
Key specifications for 6844627: Stage Number: 1; Criticality Code Justification: AGAV; Engine Section Location: LOW PRESSURE TURBINE; End Item Identification: ACFT ENG T-56. 4 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 2840-00-016-0820 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.