The Heater,aircraft Engine Maintenan, cataloged under National Stock Number 4920-01-396-5227, 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 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-396-5227 |
| Primary Part Number | PWA56582 |
| 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 |
| Overall Diameter | 11.300 INCHES NOMINAL IN |
| Supplementary Features | INSULATED HARD FIBERGLASS SHELL-HEATER CONTROL 250D.F.220 VAC 50/60HZ POWER SUPPLY-USED TO HEAT THE INNER FLANGES OF THE FAN INLET CASE & NO. 2 BEARING SUPPORT TO INSTALL THE NO. 1 & 2 BEARING SEALS IN AN INTERFERENCE FIT VAC |
| Reference Data and Literature | SERD NO 7160/T.O.2J-F100-26-5 |
| Functional Description | USED TO HEAT THE INNER FLANGES OF THE FAN INLET CASE AND NO. 2 BEARING SUPPORT TO INSTALL THE NO. 1 AND NO. 2 BEARING SEALS IN AN INTERFERENCE FIT |
| 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 |
|---|---|
| PWA56582 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-396-5227 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 4920-01-396-5227 has 1 manufacturer part number on file: PWA56582 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA56582: Overall Height: 8.000 INCHES NOMINAL IN; Overall Diameter: 11.300 INCHES NOMINAL IN; Supplementary Features: INSULATED HARD FIBERGLASS SHELL-HEATER CONTROL 250D.F.220 VAC 50/60HZ POWER SUPPLY-USED TO HEAT THE INNER FLANGES OF THE FAN INLET CASE & NO. 2 BEARING SUPPORT TO INSTALL THE NO. 1 & 2 BEARING SEALS IN AN INTERFERENCE FIT VAC; Reference Data and Literature: SERD NO 7160/T.O.2J-F100-26-5. 4 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.