The Disk and Hub,turbine,aircraft Ga, cataloged under National Stock Number 2840-01-020-8707, 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 5 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 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 | 2840-01-020-8707 |
| Primary Part Number | 4048902 |
| Item Name | Disk and Hub,turbine,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 | PWA1216 MFR REF SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | PWA1216 MFR REF SINGLE MATERIAL RESPONSE HUB |
| Engine Section Location | TURBINE |
| Material | TITANIUM ALLOY DISK |
| Material | TITANIUM ALLOY HUB |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4048902 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-01-020-8707 is a Disk and Hub,turbine,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 2840-01-020-8707 has 1 manufacturer part number on file: 4048902 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-136-0558. Verify interchangeability with system specifications before substitution.
Key specifications for 4048902: Material Document and Classification: PWA1216 MFR REF SINGLE MATERIAL RESPONSE DISK; Material Document and Classification: PWA1216 MFR REF SINGLE MATERIAL RESPONSE HUB; Engine Section Location: TURBINE; Special Features: WAS DISK AND HUB,TURBINE ENGINE. 5 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 2840-01-020-8707 has DEMIL Code B. 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.