The Shaft,shouldered, cataloged under National Stock Number 3040-01-451-3741, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-451-3741 |
| Primary Part Number | 65125-11214-102 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.7510 INCHES NOMINAL IN |
| Largest Step Diameter | 0.872 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | MIL-S-8844 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| First End Hole Diameter | 0.1400 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 |
| First End Distance From Hole Center to End | 0.230 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 |
|---|---|
| 65125-11214-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65125-11214 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65125-11214-102 | 5/9 Secondary reference Tek Precision Co Limited |
NSN 3040-01-451-3741 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-451-3741 has 1 manufacturer part number on file: 65125-11214-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65125-11214-102: Surface Finish: 32.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.7510 INCHES NOMINAL IN; Largest Step Diameter: 0.872 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.