The Shaft,shouldered, cataloged under National Stock Number 3040-00-406-2022, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rolls-Royce Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-406-2022 |
| Primary Part Number | 6867601 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| First End Pitch Diameter | 0.5938 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.5150 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.6230 INCHES NOMINAL IN |
| Second End Diameter | 0.5150 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.000 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.5313 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Spline Major Diameter | 0.6230 INCHES NOMINAL IN |
| Material Document and Classification | MS 6431 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 0.620 INCHES NOMINAL IN |
| First End Spline Quantity | 19 |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 19 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| First End Spline Minor Diameter | 0.5313 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Pitch Diameter | 0.5938 INCHES NOMINAL IN |
| Second End Spline Length | 0.560 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 |
|---|---|
| 6867601 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| AP6867601 | 5/9 Secondary reference Apex Precision Technologies, Inc. |
| 6867601 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3040-00-406-2022 is a Shaft,shouldered, manufactured by Rolls-Royce Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-406-2022 has 1 manufacturer part number on file: 6867601 (Rolls-Royce Corporation).
Key specifications for 6867601: First End Pitch Diameter: 0.5938 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 0.5150 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.6230 INCHES NOMINAL 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.
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.