The Shaft,shouldered, cataloged under National Stock Number 3040-01-138-8896, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-138-8896 |
| Primary Part Number | 65651-05081-041 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.6865 INCHES NOMINAL IN |
| Second End Diameter | 0.6880 INCHES NOMINAL IN |
| Largest Step Diameter | 0.741 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| Material | COPPER ALLOY |
| Second End Internal Thread Length | 0.940 INCHES NOMINAL IN |
| First End Distance From Hole Center to End | 0.225 INCHES NOMINAL IN |
| 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 |
|---|---|
| 65651-05081-041 | E O Manufacturing Company, Inc. (USA) |
| 65651-05081-041 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65651-05081 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65651-05081-041 | 5/9 Secondary reference Macor Inc |
NSN 3040-01-138-8896 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-138-8896 has 2 manufacturer part numbers on file: 65651-05081-041 (E O Manufacturing Company, Inc.), 65651-05081-041 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65651-05081-041: Step Quantity: 4; First End Diameter: 0.6865 INCHES NOMINAL IN; Second End Diameter: 0.6880 INCHES NOMINAL IN; Largest Step Diameter: 0.741 INCHES NOMINAL IN. 10 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.