The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-01-127-3255, 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 Rolls-Royce Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-127-3255 |
| Primary Part Number | 23003031 |
| Item Name | Fixture,engine Maintenance,aircr |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Reference Data and Literature | T.O. 2J-TF41-4 |
| Functional Description | USED DURING REPAIRING THE DRIVEN BLEED VALVE ACTUATOR SHAFT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23003031 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23003031 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 4920-01-127-3255 is a Fixture,engine Maintenance,aircr, manufactured by Rolls-Royce Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-127-3255 has 1 manufacturer part number on file: 23003031 (Rolls-Royce Corporation).
Key specifications for 23003031: Reference Data and Literature: T.O. 2J-TF41-4; Special Features: C/O STEEL BASE,DOWEL 8,V-BLOCK,HOUSING,MASTER BLOCK,HOLDING BLOCK,PEDESTAL,INDICATOR,GAGE POINT,SHAFT,KNOB,AND GAGE BLOCK V; Functional Description: USED DURING REPAIRING THE DRIVEN BLEED VALVE ACTUATOR SHAFT; End Item Identification: TF-41-A-1/A/B TURBO FAN 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 4920-01-127-3255 has DEMIL Code B. 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.