The Shaft,shouldered, cataloged under National Stock Number 3040-01-222-0265, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 16 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 | 3040-01-222-0265 |
| Primary Part Number | 23045917 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Surface Finish | 35.0 MICROINCHES |
| Step Quantity | 7 |
| First End Diameter | 0.9980 INCHES NOMINAL IN |
| Second End Diameter | 1.5570 INCHES NOMINAL IN |
| Largest Step Diameter | 1.785 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 1.4020 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.5570 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6431 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 24 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL CORROSION RESISTING |
| Second End Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Second End Spline Length | 1.825 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 |
|---|---|
| 23045917 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 3040-01-222-0265 is a Shaft,shouldered, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-222-0265 has 1 manufacturer part number on file: 23045917 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23045917: Surface Finish: 35.0 MICROINCHES; Step Quantity: 7; First End Diameter: 0.9980 INCHES NOMINAL IN; Second End Diameter: 1.5570 INCHES NOMINAL IN. 16 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.