The Shaft,shouldered, cataloged under National Stock Number 3040-01-143-1852, 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 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-143-1852 |
| Primary Part Number | 64351-11030-105 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 90.0 MICROINCHES |
| Step Quantity | 5 |
| First End Diameter | 2.8650 INCHES NOMINAL IN |
| First End Spline Major Diameter | 2.8700 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN |
| Second End Diameter | 3.2000 INCHES NOMINAL IN |
| Largest Step Diameter | 3.200 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 2.8013 INCHES MINIMUM AND 2.8125 INCHES MAXIMUM IN |
| First End Style | SPLINED (STRAIGHT) |
| Criticality Code Justification | FEAT |
| Second End Spline Major Diameter | 2.9950 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN |
| Material Document and Classification | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Slot Depth | 0.100 INCHES NOMINAL IN |
| First End Spline Length | 2.580 INCHES NOMINAL IN |
| First End Spline Quantity | 42 |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.250 INCHES NOMINAL IN |
| Second End Spline Quantity | 41 |
| Second End Style | STRAIGHT SPLINED AND SLOTTED |
| First End Spline Minor Diameter | 2.6723 INCHES MINIMUM AND 2.6875 INCHES MAXIMUM IN |
| Material | STEEL |
| Second End Spline Length | 2.165 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 64351-11030-105 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3040-01-143-1852 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-143-1852 has 1 manufacturer part number on file: 64351-11030-105 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 64351-11030-105: Surface Finish: 90.0 MICROINCHES; Step Quantity: 5; First End Diameter: 2.8650 INCHES NOMINAL IN; First End Spline Major Diameter: 2.8700 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN. 21 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 3040-01-143-1852 has DEMIL Code Q. 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.