The Heater,aircraft Engine Maintenan, cataloged under National Stock Number 4920-01-416-5186, 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 2 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 | 4920-01-416-5186 |
| Primary Part Number | PWA90301 |
| 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 |
| Reference Data and Literature | SERD 2209 |
| Functional Description | HEATER REQUIRED TO EXPAND THE LOWPRESSURE COMPRESSOR DRUM ROTOR DISK ASSY TIEBOLT HOLES TO ALLOW INSTALLATIONOF BUSHINGS DURING REPAIR |
| 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 |
|---|---|
| PWA90301 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-416-5186 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 4920-01-416-5186 has 1 manufacturer part number on file: PWA90301 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA90301: Reference Data and Literature: SERD 2209; Special Features: CONSISTS OF CIRCULAR HEATING ELEMENT CONTAINED IN A SHEET METAL HOUSINGHEATER INCLUDES A POWER SUPPLY TERMINAL, A THERMOCOUPLE FOR TEMPERATURE MONITORING AND HANDLES FOR LIFTING; Functional Description: HEATER REQUIRED TO EXPAND THE LOWPRESSURE COMPRESSOR DRUM ROTOR DISK ASSY TIEBOLT HOLES TO ALLOW INSTALLATIONOF BUSHINGS DURING REPAIR; End Item Identification: F117-PW-100. 2 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.