The Heater,aircraft Engine Maintenan, cataloged under National Stock Number 4920-01-486-8195, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-486-8195 |
| Primary Part Number | PWA500281 |
| 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 |
| Supplementary Features | 10.8 IN. DIA, 7 IN. H, 12 LBS LBS |
| Reference Data and Literature | SERD NO. 9284 |
| Functional Description | USED TO HEAT THE INNER FLANGES OF THE FAN INLET CASE AND THE NO. 2 BEARING SUPPORT TO INSTALL THE NO. 1 BRNG. HOUSING AND THE NO. 2 BEARING SEALS |
| 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 |
|---|---|
| PWA500281 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL0830190 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-486-8195 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 4920-01-486-8195 has 1 manufacturer part number on file: PWA500281 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA500281: Supplementary Features: 10.8 IN. DIA, 7 IN. H, 12 LBS LBS; Reference Data and Literature: SERD NO. 9284; Special Features: COMPANY ITEM NAME-HEATER FAN INLET CASE; Functional Description: USED TO HEAT THE INNER FLANGES OF THE FAN INLET CASE AND THE NO. 2 BEARING SUPPORT TO INSTALL THE NO. 1 BRNG. HOUSING AND THE NO. 2 BEARING SEALS. 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.