The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-00-967-0364, 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 1 specification, 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-967-0364 |
| Primary Part Number | 490749 |
| Item Name | Seal,air,aircraft Gas Turbine En |
| 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 |
| Criticality Code Justification | FEAT |
| 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 |
|---|---|
| 490749 | Rtx Corporation Div Pratt & Whitney (USA) |
| 490749 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 490749 | 5/9 Secondary reference Enjet Aero Bloomfield, Llc |
| 490749 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 490749 | 5/9 Secondary reference G. S. E. Dynamics, Inc. Dba Gse Dynamics |
| 490749 | 5/9 Secondary reference Dover Tool of Connecticut, Llc Div Na |
| 470749 | 5/9 Secondary reference G. S. E. Dynamics, Inc. Dba Gse Dynamics |
| 490749 | 5/9 Secondary reference Hanwha Aerospace Usa Llc Div Edac Nd, Inc. |
| 490749 | 5/9 Secondary reference Union Machine Co of Lynn, Inc |
| 490749 | 5/9 Secondary reference Demusz Mfg. Co., Inc. |
| 490749 | 5/9 Secondary reference Electro-Methods, L.p. |
NSN 2840-00-967-0364 is a Seal,air,aircraft Gas Turbine En, 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 2840-00-967-0364 has 2 manufacturer part numbers on file: 490749 (Rtx Corporation Div Pratt & Whitney), 490749 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 490749: Criticality Code Justification: FEAT; Special Features: CRITICAL FEATURES,TOLERANCES,FIT RESTRICTIONS,MATERIAL PROPERTIES AND MANUFACTURING PROCESS; End Item Identification: ACFT ENG TF33. 1 specification is 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 2840-00-967-0364 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.