The Shield,heat,aircraft Gas Turbine, cataloged under National Stock Number 2840-01-159-6840, 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 Div Pratt & Whitney. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-159-6840 |
| Primary Part Number | 520585 |
| Item Name | Shield,heat,aircraft Gas Turbine |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS5504 ASSN STD SINGLE MATERIAL RESPONSE SHIELD |
| Diameter | 14.122 INCHES NOMINAL IN |
| Engine Section Location | TURBINE |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Material | STEEL 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 |
|---|---|
| 520585 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 520585 | 3/9 Design control — primary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2840-01-159-6840 is a Shield,heat,aircraft Gas Turbine, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-159-6840 has 1 manufacturer part number on file: 520585 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 520585: Criticality Code Justification: AGAV; Material Document and Classification: AMS5504 ASSN STD SINGLE MATERIAL RESPONSE SHIELD; Diameter: 14.122 INCHES NOMINAL IN; Engine Section Location: TURBINE. 6 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 2840-01-159-6840 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.