The Ring,air Sealing,turbine, cataloged under National Stock Number 2840-00-269-5153, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-269-5153 |
| Primary Part Number | 664846 |
| Item Name | Ring,air Sealing,turbine |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | ACFT JET ENGINE |
| General Characteristics Item Description | NICKEL ALLOY,PWA1012,FSCM 77445,23.250-23.260 IN. ID,24.835-24.845 IN. OD,1.538-1.542 IN. THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 664846 | Rds Manufacturing, Inc. (USA) |
| 664846 | Electro-Methods, L.p. (USA) |
| 664846 | Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc (USA) |
| 664846 | Hanwha Aerospace Usa Llc (USA) |
| 664846 | Unison Engine Components Inc (USA) |
| 664846 | Magellan Aerospace, Haverhill, Inc (USA) |
| 664846 | Beacon Industries, Inc. Dba Beacon Technology Co (USA) |
| 664846 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 664846 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 664846 | 5/9 Secondary reference Barridon Corporation Div Aircraft |
| 664846 | 5/9 Secondary reference Mtu Aero Engine Components Inc |
NSN 2840-00-269-5153 is a Ring,air Sealing,turbine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-269-5153 has 8 manufacturer part numbers on file: 664846 (Rds Manufacturing, Inc.), 664846 (Electro-Methods, L.p.), 664846 (Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc), 664846 (Hanwha Aerospace Usa Llc), 664846 (Unison Engine Components Inc) and 3 more.
Key specifications for 664846: FSC Application Data: ACFT JET ENGINE; General Characteristics Item Description: NICKEL ALLOY,PWA1012,FSCM 77445,23.250-23.260 IN. ID,24.835-24.845 IN. OD,1.538-1.542 IN. THK IN; End Item Identification: ENGINE MODEL TF30. 2 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.