The Shaft,shouldered, cataloged under National Stock Number 3040-01-100-2729, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-100-2729 |
| Primary Part Number | 65105-11505-103 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 8.0 MICROINCHES |
| FSC Application Data | HUB ASSEMBLY,MAIN ROTOR |
| Second End Hole Diameter | 0.0700 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM IN |
| Second End External Thread Length | 0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Step Quantity | 9 |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Diameter | 0.1905 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.750 INCHES NOMINAL IN |
| First End External Thread Length | 0.640 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.290 INCHES NOMINAL IN |
| Second End Hole Depth | 0.191 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 65105-11505-103 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65105-11505-103 | 5/9 Secondary reference Aerex Manufacturing, Inc. |
| 65105-11505-103 | 5/9 Secondary reference Macor Inc |
NSN 3040-01-100-2729 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-100-2729 has 1 manufacturer part number on file: 65105-11505-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65105-11505-103: Surface Finish: 8.0 MICROINCHES; FSC Application Data: HUB ASSEMBLY,MAIN ROTOR; Second End Hole Diameter: 0.0700 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM IN; Second End External Thread Length: 0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN. 17 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.