The Ring,air Sealing,turbine Engine, cataloged under National Stock Number 2840-00-500-7044, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-500-7044 |
| Primary Part Number | 665546 |
| Item Name | Ring,air Sealing,turbine Engine |
| 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,TF 30 P 100 |
| General Characteristics Item Description | CRES,AMS 5613,13.779 IN. MIN 13.781 IN. MAX OD,1.710 IN.MIN 1.740 IN. MAX H,ROCKWELL C SCALE HARDNESS 30 MIN 38 MAX,FIRST STAGE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 665546 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 665546 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2840-00-500-7044 is a Ring,air Sealing,turbine Engine, 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 2840-00-500-7044 has 1 manufacturer part number on file: 665546 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 665546: FSC Application Data: ACFT JET ENGINE,TF 30 P 100; General Characteristics Item Description: CRES,AMS 5613,13.779 IN. MIN 13.781 IN. MAX OD,1.710 IN.MIN 1.740 IN. MAX H,ROCKWELL C SCALE HARDNESS 30 MIN 38 MAX,FIRST STAGE IN. 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.
NSN 2840-00-500-7044 has DEMIL Code B. 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.