The Gearshaft,spur, cataloged under National Stock Number 3040-01-044-2543, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Extex Engineered Products Inc Dba Timken Aerospace Services. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-044-2543 |
| Primary Part Number | E23063413 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Extex Engineered Products Inc Dba Timken Aerospace Services |
| Status | ACTIVE |
| 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 |
|---|---|
| E23063413 PRIMARY | Extex Engineered Products Inc Dba Timken Aerospace Services (USA) |
| 23063413 PRIMARY | Rolls-Royce Corporation (USA) |
| 6889094 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 23038229 | 5/9 Secondary reference Rolls-Royce Corporation |
| 23063413AL | 5/9 Secondary reference Extex Engineered Products Inc Dba Timken Aerospace Services |
| 23056128 | 5/9 Secondary reference Rolls-Royce Corporation |
NSN 3040-01-044-2543 is a Gearshaft,spur, manufactured by Extex Engineered Products Inc Dba Timken Aerospace Services, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-044-2543 has 3 manufacturer part numbers on file: E23063413 (Extex Engineered Products Inc Dba Timken Aerospace Services), 23063413 (Rolls-Royce Corporation), 6889094 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 9905-01-081-8872. Verify interchangeability with system specifications before substitution.
Key specifications for E23063413: Special Features: 4.177 IN. MIN,4.184 IN. MAX,O/A GEARSHAFT LG;14 GEAR TEETH ON SMALLER SPURGEAR;47 GEAR TEETH ON LARGER SPURGEAR;SHIPPINGG AND STORAGE,CONTAINER T63 SERIES ENGINE IN. 0 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 3040-01-044-2543 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.