The Shield,heat,aircraft Gas Turbine, cataloged under National Stock Number 2840-00-340-7417, 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 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-340-7417 |
| Primary Part Number | 4026467 |
| Item Name | Shield,heat,aircraft Gas 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 |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS5582 ASSN STD 1ST MATERIAL RESPONSE AND AMS5671 ASSN STD 2ND MATERIAL RESPONSE SHIELD |
| Engine Section Location | TURBINE |
| Material | NICKEL ALLOY SHIELD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4026467 | Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA) |
| 4026467 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4026467 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4026467 | Union Machine Co of Lynn, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4026467 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2840-00-340-7417 is a Shield,heat,aircraft Gas 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 2840-00-340-7417 has 4 manufacturer part numbers on file: 4026467 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc), 4026467 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4026467 (Rtx Corporation Div Pratt & Whitney), 4026467 (Union Machine Co of Lynn, Inc).
1 possible match (shared part number, not a government interchangeability claim): 2815-00-407-4745. Verify interchangeability with system specifications before substitution.
Key specifications for 4026467: Criticality Code Justification: AGAV; Material Document and Classification: AMS5582 ASSN STD 1ST MATERIAL RESPONSE AND AMS5671 ASSN STD 2ND MATERIAL RESPONSE SHIELD; Overall Length: 4.570 INCHES MINIMUM AND 4.590 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 2840-00-340-7417 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.