The Nozzle,turbine,aircraft Gas Turb, cataloged under National Stock Number 2840-01-394-5231, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-394-5231 |
| Primary Part Number | 804351CL18 |
| Item Name | Nozzle,turbine,aircraft Gas Turb |
| 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 |
| Stage Number | 1 |
| Design Type | AXIAL COMPRESSOR |
| Criticality Code Justification | APGF AND CZBJ AND CZCJ AND BGLW AND FEAT |
| Reference Data and Literature | T.O. 2J-TF33-4 FIG31 IND50 |
| Blade Attachment Method | SLOT |
| Material Document and Classification | PWA647 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Engine Section Location | HIGH PRESSURE TURBINE |
| Material | COBALT ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 804351CL18 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 804351 | D/9 Drawing number reference only Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 804351CL18 | 5/2 Secondary reference U.S. Government activity |
| 804351CL18 | 5/2 Secondary reference U.S. Government activity |
NSN 2840-01-394-5231 is a Nozzle,turbine,aircraft Gas Turb, 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 2840-01-394-5231 has 1 manufacturer part number on file: 804351CL18 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
3 possible matches (shared part number, not a government interchangeability claim): 2840-01-394-5883, 2840-01-394-5885, 2840-01-394-7115. Verify interchangeability with system specifications before substitution.
Key specifications for 804351CL18: Overall Height: 4.270 INCHES MINIMUM AND 4.300 INCHES MAXIMUM IN; Stage Number: 1; Design Type: AXIAL COMPRESSOR; Criticality Code Justification: APGF AND CZBJ AND CZCJ AND BGLW AND FEAT. 8 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 2840-01-394-5231 has DEMIL Code D. 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.