The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-439-4723, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-439-4723 |
| Primary Part Number | PWA57909 |
| Item Name | Fixture,engine Maintenance,aircr |
| 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 NO. 7896 |
| Functional Description | USED TO INSTALL THE 7TH, 8TH, AND9TH STAGE COMPRESSOR INNER STATOR SHROUD SEGMENTS BY PRE-POSITIONING THE STATOR SEGMENT, DAMPER SPRING, AND SHROUDSEGMENT INTO THE TOOL AND THEN ROTATING THE SHROUD INTO THE STATOR IN A CONTROLLED MANNER; PREVENTS OVERLOADING THE ANTI-ROTATION LUGS IN THE STATOR |
| 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 |
|---|---|
| PWA57909 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL0829456 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-439-4723 is a Fixture,engine Maintenance,aircr, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-439-4723 has 1 manufacturer part number on file: PWA57909 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA57909: Reference Data and Literature: SERD NO. 7896; Special Features: CHARACTERISTICS ARE 30.000 INCH LENGTH; 24.000 INCH WIDTH; 12.000 INCH HEIGHT; 120 LBS WEIGHT LBS; Functional Description: USED TO INSTALL THE 7TH, 8TH, AND9TH STAGE COMPRESSOR INNER STATOR SHROUD SEGMENTS BY PRE-POSITIONING THE STATOR SEGMENT, DAMPER SPRING, AND SHROUDSEGMENT INTO THE TOOL AND THEN ROTATING THE SHROUD INTO THE STATOR IN A CONTROLLED MANNER; PREVENTS OVERLOADING THE ANTI-ROTATION LUGS IN THE STATOR; End Item Identification: F100-PW-229. 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.