The Seal Ring,labyrinth,aircraft Gas, cataloged under National Stock Number 2840-00-021-8134, 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-021-8134 |
| Primary Part Number | 6847330 |
| 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 | 3.260 INCHES MINIMUM AND 3.281 INCHES MAXIMUM IN |
| Engine Section Location | TURBINE |
| Material | STEEL CORROSION RESISTING 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 | X |
| Part Number | Manufacturer |
|---|---|
| 6847330 PRIMARY | Rolls-Royce Corporation (USA) |
| 6847330 | Hydromach Inc Dba Hydromach Inc (USA) |
| 6847330 | Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| 6847330 | 5/9 Secondary reference A F B Systems, Inc. Dba Sierra Tech |
| 6847330 | 5/9 Secondary reference Aero Technology Company |
| 6847330 | 5/9 Secondary reference Dependable Machine Company Inc |
| 6847330 | 5/9 Secondary reference Associated Aerospace Activities Inc |
| 6847330 | 5/9 Secondary reference Union Machine Co of Lynn, Inc |
| 6847330 | 5/9 Secondary reference Electro-Methods, L.p. |
| 6847330 | 5/9 Secondary reference U.S. Government activity |
| 6847330 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6847330 | 5/9 Secondary reference General Motors Corp |
| 6847330 | 5/9 Secondary reference Noram Corporation |
| 6847330 | 5/9 Secondary reference Kitco Llc |
NSN 2840-00-021-8134 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 2840-00-021-8134 has 3 manufacturer part numbers on file: 6847330 (Rolls-Royce Corporation), 6847330 (Hydromach Inc Dba Hydromach Inc), 6847330 (Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc).
Key specifications for 6847330: Criticality Code Justification: AGAV; Diameter: 3.260 INCHES MINIMUM AND 3.281 INCHES MAXIMUM IN; Overall Length: 1.145 INCHES MINIMUM AND 1.155 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.
NSN 2840-00-021-8134 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.