The Seal Ring,labyrinth,aircraft Gas, cataloged under National Stock Number 2840-00-015-2190, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-015-2190 |
| Primary Part Number | 6897646 |
| Item Name | Seal Ring,labyrinth,aircraft Gas |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Diameter | 2.999 INCHES MINIMUM AND 3.001 INCHES MAXIMUM IN |
| Engine Section Location | TURBINE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 6897646 | Aero Technology Company (USA) |
| 6897646 | Hydromach Inc Dba Hydromach Inc (USA) |
| 6897646 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6844617 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6897646 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6897646 | 5/1 Secondary reference Beacon Industries, Inc. Dba Beacon Technology Co |
| 6897646 | 5/9 Secondary reference Dependable Machine Company Inc |
| 6844617 | 5/9 Secondary reference Rolls-Royce Corporation |
| 6897646 | 5/9 Secondary reference A F B Systems, Inc. Dba Sierra Tech |
| 6897646 | 5/1 Secondary reference Kitco Llc |
| 6897646 | 5/1 Secondary reference Electro-Methods, L.p. |
| 6897646 | 5/1 Secondary reference Space Age Engineering, Inc |
| 6897646 | 5/1 Secondary reference Aircraft Components Inc |
| 6897646 | 5/1 Secondary reference Lewis Machine, Llc |
| 6844617 | 5/9 Secondary reference General Motors Corp |
| 6897646 | 5/9 Secondary reference East Granby Machine Co Inc |
NSN 2840-00-015-2190 is a Seal Ring,labyrinth,aircraft Gas, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-015-2190 has 3 manufacturer part numbers on file: 6897646 (Aero Technology Company), 6897646 (Hydromach Inc Dba Hydromach Inc), 6897646 (Rolls-Royce Corporation).
Key specifications for 6897646: Criticality Code Justification: AGAV; Diameter: 2.999 INCHES MINIMUM AND 3.001 INCHES MAXIMUM IN; Overall Length: 1.516 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN; Engine Section Location: TURBINE. 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.
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.