The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-423-9797, 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 | 4920-01-423-9797 |
| Primary Part Number | PWA90456 |
| 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 |
| Nominal Overall Diameter | 32.000 INCHES IN |
| Reference Data and Literature | SERD NO. 1999 |
| Nominal Overall Height | 5.100 INCHES IN |
| Functional Description | REQUIRED TO LOCATE AND HOLD THE STATOR SEGMENT ASSEMBLIES WHILE THE FORWARD FLANGE FRONT SURFACE AND/OR OUTER DIAMETER ARE MACHINED PRIOR TO THE PLASMA SPRAY 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 |
|---|---|
| PWA90456 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-423-9797 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 4920-01-423-9797 has 1 manufacturer part number on file: PWA90456 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA90456: Nominal Overall Diameter: 32.000 INCHES IN; Reference Data and Literature: SERD NO. 1999; Nominal Overall Height: 5.100 INCHES IN; Special Features: MFG NOUN: FIXTURE,MACHINING; C/O CIRCULAR STEEL BASE WITH 5 POSTS OF EQUAL HEIGHT; 4 CIRCULAR SEGMENTS TO CLAMP THE STATOR ASSYS; A CONICAL SECTION TO LOCATE THE STATOR SEGMENTS, 4 SWINGING C-WASHERS TO HOLD THE FIXTURE AS A SOLID UNIT, AND 12 ADJUSTABLE SUPPORT CLAMPS AROUND THE CIRCUMFERENCE TO SUPPORT THE STATOR ASSEMBLIES. 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.