The Blade Set,compressor,aircraft Ga, cataloged under National Stock Number 2840-00-439-9228, 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 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 | 2840-00-439-9228 |
| Primary Part Number | 410029 |
| Item Name | Blade Set,compressor,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 |
| End Item Source | 77445 |
| Criticality Code Justification | FEAT |
| End Item Name | ACFT ENG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 2840-00-439-9228 is a Blade Set,compressor,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 2840-00-439-9228 has 2 manufacturer part numbers on file: 410029 (Rtx Corporation Div Pratt & Whitney), 410029 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 7930-01-399-2723. Verify interchangeability with system specifications before substitution.
Key specifications for 410029: End Item Source: 77445; Criticality Code Justification: FEAT; End Item Name: ACFT ENG; Special Features: TITANIUM ALLOY,AMS 4928,CONSISTING OF TWO PART NO. 389906 BLADES WITH DIM. 5.023&5.052 IN. LG,0.383 IN. THK. 1.630&1.640 IN. W; THIS PART MEETS THE Y REQUIREMENTS DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTATNTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY IN. 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 2840-00-439-9228 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.