The Stiffener,heatshield,aircraft Ga, cataloged under National Stock Number 2840-01-655-6779, 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 3 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-655-6779 |
| Primary Part Number | 4089325 |
| Item Name | Stiffener,heatshield,aircraft Ga |
| 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 |
| Material Document and Classification | AMS5544 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 2840-01-655-6779 is a Stiffener,heatshield,aircraft Ga, 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 2840-01-655-6779 has 2 manufacturer part numbers on file: 4089325 (Woodward Fst, Inc), 4089325 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4089325: Criticality Code Justification: FEAT; Material Document and Classification: AMS5544 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: FORM,FIT,FUNCTION; Part Name Assigned by Controlling Agency: STIFFENER,AUGMENTER MANIFOLD. 3 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.