The Heater,aircraft Engine Maintenan, cataloged under National Stock Number 4920-01-194-3758, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-194-3758 |
| Primary Part Number | PWA57405 |
| Item Name | Heater,aircraft Engine Maintenan |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | F100-PW-220 TURBOFAN ENGINE |
| Overall Diameter | 19.000 INCHES NOMINAL IN |
| Supplementary Features | COMPANY ITEM NAME-HEATER |
| Reference Data and Literature | 2J-F100-94; SERD 6265; 33D4-6-511-1 |
| Functional Description | USED TO FACILITATE INSTALLATION OF THE 2ND STAGE TURBINE DISK TO THE HUB DURING ASSEMBLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA57405 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL0826218 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| PWA57026 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 4920-01-194-3758 is a Heater,aircraft Engine Maintenan, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-194-3758 has 1 manufacturer part number on file: PWA57405 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA57405: Overall Height: 8.900 INCHES NOMINAL IN; FSC Application Data: F100-PW-220 TURBOFAN ENGINE; Overall Diameter: 19.000 INCHES NOMINAL IN; Supplementary Features: COMPANY ITEM NAME-HEATER. 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 4920-01-194-3758 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.