The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-290-1408, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-290-1408 |
| Primary Part Number | PWA57635 |
| 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. 5523; T.O. 2J-F100-94 |
| Functional Description | USED TO LIFT AND TRUNNION THE CORE MODULE; INTERFACES WITH THE AFT FLANGE OF THE DIFFUSER CASE WHICH SUPPORTS THE 2ND STAGE TURBINE DISK |
| 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 |
|---|---|
| PWA57635 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4920PL1777096 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-290-1408 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 4920-01-290-1408 has 1 manufacturer part number on file: PWA57635 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-327-4476. Verify interchangeability with system specifications before substitution.
Key specifications for PWA57635: Reference Data and Literature: SERD NO. 5523; T.O. 2J-F100-94; Special Features: C/OA WELDED ALUMINUM RING WITH TWO STEEL TRUNNION SPOOLS FOR LIFTING POINTS, FOUR TOGGLE THUMB SCREWS FOR SUPPORT, AND TWO SEGMENTED RINGS THAT HOLD THE DIFUSSER CASE REAR FLANGE; Functional Description: USED TO LIFT AND TRUNNION THE CORE MODULE; INTERFACES WITH THE AFT FLANGE OF THE DIFFUSER CASE WHICH SUPPORTS THE 2ND STAGE TURBINE DISK; 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 4920-01-290-1408 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.