The Plate,mounting,case,diffuser, cataloged under National Stock Number 2840-00-808-1020, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-808-1020 |
| Primary Part Number | 428798 |
| Item Name | Plate,mounting,case,diffuser |
| 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 |
| FSC Application Data | ACFT JET ENGINE |
| General Characteristics Item Description | CRES,AMS5504,ROCKWELL C30-38 HARDNESS,1.810-1.870IN. LG,1.510-1.670 IN. W,0.056-0.062 IN. THK IN |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 428798 | Form Fit & Function Llc Div F3 (USA) |
| 428798 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 428798 | 5/9 Secondary reference Alinabal Holdings Corporation Div Engineered Products Group |
| 428798 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 65-11659-5 | 5/9 Secondary reference U.S. Government activity |
NSN 2840-00-808-1020 is a Plate,mounting,case,diffuser, 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 2840-00-808-1020 has 2 manufacturer part numbers on file: 428798 (Form Fit & Function Llc Div F3), 428798 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 428798: FSC Application Data: ACFT JET ENGINE; General Characteristics Item Description: CRES,AMS5504,ROCKWELL C30-38 HARDNESS,1.810-1.870IN. LG,1.510-1.670 IN. W,0.056-0.062 IN. THK IN; Criticality Code Justification: AGAV; End Item Identification: ENGINE MODEL TF33. 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.
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.