The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-421-7500, 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 | 4920-01-421-7500 |
| Primary Part Number | PWA71488 |
| 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 7778; TO 2J-F100-94 |
| Functional Description | USED TO INSURE THE TUBE END IS CONCENTRIC(TRUDED UP) PRIOR TO INSTALLATION OF A WELDING RING DURING THE WELD REPAIR OF A REPLACEMENT FERRULE OF THE NUMBER FOUR BEARING AIR SUPPLY TUBE ASSEMBLY |
| 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 |
|---|---|
| PWA71488 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4920-01-421-7500 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 4920-01-421-7500 has 1 manufacturer part number on file: PWA71488 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA71488: Reference Data and Literature: SERD 7778; TO 2J-F100-94; Special Features: CONSISTS OF A STEEL SPLIT COLLAR WITH OFFSET HOLES; A STEEL ARBOR, STORAGE CONTAINER; MANUFACTURES NAME, FIXTURE EXPANDER; Functional Description: USED TO INSURE THE TUBE END IS CONCENTRIC(TRUDED UP) PRIOR TO INSTALLATION OF A WELDING RING DURING THE WELD REPAIR OF A REPLACEMENT FERRULE OF THE NUMBER FOUR BEARING AIR SUPPLY TUBE ASSEMBLY; End Item Identification: F100-PW-100/220/220E/-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.