The Stiffener,heatshield,aircraft Ga, cataloged under National Stock Number 2840-00-348-6191, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-348-6191 |
| Primary Part Number | 4037185 |
| 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 |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE SHIELD |
| Engine Section Location | TURBINE |
| Material | STEEL COMP 321 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 | X |
| Part Number | Manufacturer |
|---|---|
| 4037185 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4037185 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4037185 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2840-00-348-6191 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 2840-00-348-6191 has 2 manufacturer part numbers on file: 4037185 (Rtx Corporation Div Pratt & Whitney), 4037185 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4037185: Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE SHIELD; Engine Section Location: TURBINE; End Item Identification: F100-PW-100/-200 AIRCRAFT ENGINES; Material: STEEL COMP 321 SHIELD. 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.
NSN 2840-00-348-6191 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.