The Shaft,shouldered, cataloged under National Stock Number 3040-01-135-1353, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-135-1353 |
| Primary Part Number | 64358-07043-103 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 6 |
| First End Diameter | 1.9675 INCHES NOMINAL IN |
| Second End Diameter | 1.7002 INCHES NOMINAL IN |
| Largest Step Diameter | 2.180 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN |
| First End External Thread Length | 0.630 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Criticality Code Justification | FEAT |
| Second End Spline Major Diameter | 1.6450 INCHES MINIMUM AND 1.6500 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-T-9047,TYPE 3,COMP A MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Slot Depth | 0.170 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Second End Style | STRAIGHT SPLINED AND SLOTTED |
| Material | TITANIUM ALLOY |
| Second End Spline Length | 0.625 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 | F |
| Part Number | Manufacturer |
|---|---|
| 64358-07043-103 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 64358-07043-103 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-135-1353 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-135-1353 has 1 manufacturer part number on file: 64358-07043-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 64358-07043-103: Surface Finish: 32.0 MICROINCHES; Step Quantity: 6; First End Diameter: 1.9675 INCHES NOMINAL IN; Second End Diameter: 1.7002 INCHES NOMINAL 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.