The Heater,aircraft Engine Maintenan, cataloged under National Stock Number 4920-01-290-2035, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-290-2035 |
| Primary Part Number | PWA57683 |
| 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 | COMPANY ITEM NAME-HEATER |
| Reference Data and Literature | T.O. 2J-F100-94; SERD NO. 5787; T.O. 33D4-6-511-1 |
| Functional Description | USED TO HEAT THE DRUM ROTOR IN THE THE AREA OF THE 2ND STAGE BLADE SLOTS TO OVERCOME A 0.007 TO 0.016 TIGHT FIT DURING INSTALLATION OF THE OF THE 2ND STAGE FRONT AIR SEAL |
| 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 |
|---|---|
| PWA57683 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL1398841 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-290-2035 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 4920-01-290-2035 has 1 manufacturer part number on file: PWA57683 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA57683: Supplementary Features: COMPANY ITEM NAME-HEATER; Reference Data and Literature: T.O. 2J-F100-94; SERD NO. 5787; T.O. 33D4-6-511-1; Functional Description: USED TO HEAT THE DRUM ROTOR IN THE THE AREA OF THE 2ND STAGE BLADE SLOTS TO OVERCOME A 0.007 TO 0.016 TIGHT FIT DURING INSTALLATION OF THE OF THE 2ND STAGE FRONT AIR SEAL; End Item Identification: F100-PW-229 TURBOFAN ENGINE. 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.
NSN 4920-01-290-2035 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.