The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-290-1407, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-290-1407 |
| Primary Part Number | PWA57657 |
| 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. 5525; T.O. 2J-F100-94 |
| Functional Description | USED TO ACTUATE THE INTERNAL RCVV SYSTEM TO ENSURE FREEDOM OF MOVEMENT FROM STOP TO STOP AND THAT ACCEPTABLE FRICTION LIMITS ARE NOT EXCEEDED FOR SETTING THE STOPS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PWA57657 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| PWA57657H | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL1398811 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-290-1407 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 4920-01-290-1407 has 2 manufacturer part numbers on file: PWA57657 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), PWA57657H (Rtx Corporation Div Pratt & Whitney).
Key specifications for PWA57657: Reference Data and Literature: SERD NO. 5525; T.O. 2J-F100-94; Special Features: C/O AN ALUMINUM FRAME, TWO CLAMPS, STEEL SHAFT, STRAIGHT THREADED ROD, IS MOUNTED IN THE REAR FRAME; USED IN PAIRS; COMPANY ITEM NAME-ADAPTER; Functional Description: USED TO ACTUATE THE INTERNAL RCVV SYSTEM TO ENSURE FREEDOM OF MOVEMENT FROM STOP TO STOP AND THAT ACCEPTABLE FRICTION LIMITS ARE NOT EXCEEDED FOR SETTING THE STOPS; End Item Identification: F100-PW-229 TURBOFAN ENGINE. 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.
NSN 4920-01-290-1407 has DEMIL Code D. 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.