The Shaft,shouldered, cataloged under National Stock Number 3040-01-144-7024, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-144-7024 |
| Primary Part Number | 127270D |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 8 |
| First End Diameter | 2.4930 INCHES MINIMUM AND 2.4950 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 2.4930 INCHES MINIMUM AND 2.4950 INCHES MAXIMUM IN |
| Second End Diameter | 3.4070 INCHES MINIMUM AND 3.4120 INCHES MAXIMUM IN |
| Largest Step Diameter | 4.062 INCHES MINIMUM AND 4.063 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 3.0400 INCHES MINIMUM AND 3.0800 INCHES MAXIMUM IN |
| First End Style | SPLINED (STRAIGHT) |
| Second End Spline Major Diameter | 3.4070 INCHES MINIMUM AND 3.4120 INCHES MAXIMUM IN |
| First End Spline Length | 2.940 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 20 |
| Second End Pressure Angle | 20.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| First End Spline Minor Diameter | 2.2680 INCHES MINIMUM AND 2.2730 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 |
| Second End Pitch Diameter | 3.3330 INCHES NOMINAL IN |
| Second End Spline Length | 0.750 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 |
|---|---|
| 127270D PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 127270D | 5/9 Secondary reference Oshkosh Corp |
NSN 3040-01-144-7024 is a Shaft,shouldered, manufactured by Oshkosh Defense Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-144-7024 has 1 manufacturer part number on file: 127270D (Oshkosh Defense Llc).
Key specifications for 127270D: Surface Finish: 63.0 MICROINCHES; Step Quantity: 8; First End Diameter: 2.4930 INCHES MINIMUM AND 2.4950 INCHES MAXIMUM IN; First End Spline Major Diameter: 2.4930 INCHES MINIMUM AND 2.4950 INCHES MAXIMUM IN. 19 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.