The Heatshield Assembly, cataloged under National Stock Number 4920-01-204-7407, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-204-7407 |
| Primary Part Number | PWA52756-22 |
| Item Name | Heatshield Assembly |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | RIVETED CONSTRUCTION BLACK OXIDE,SYMBOL C PER AMS 2485 AFTER WELDING; POP RIVETS PERMISSIBLE; STEEL AISI 1018 OR 1020; FINISHED STOCK SIZE: 16 GAGE (060) X 4.312 BY 30.875 APPROX DEVELOPED LG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA52756-22 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| PWA52756-22 | 5/9 Secondary reference Becon Inc Dba Becon Inc |
NSN 4920-01-204-7407 is a Heatshield Assembly, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-204-7407 has 1 manufacturer part number on file: PWA52756-22 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA52756-22: General Characteristics Item Description: RIVETED CONSTRUCTION BLACK OXIDE,SYMBOL C PER AMS 2485 AFTER WELDING; POP RIVETS PERMISSIBLE; STEEL AISI 1018 OR 1020; FINISHED STOCK SIZE: 16 GAGE (060) X 4.312 BY 30.875 APPROX DEVELOPED LG; End Item Identification: HEATER,BEARING SEAL SUPPORT AND FLANGE. 1 specification is 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.