The Shaft,shouldered, cataloged under National Stock Number 3040-01-106-4048, 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 20 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 | 3040-01-106-4048 |
| Primary Part Number | 6835558 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| First End Pitch Diameter | 2.0000 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 2.0625 INCHES NOMINAL IN |
| First End Spline Major Diameter | 2.0625 INCHES NOMINAL IN |
| Second End Diameter | 2.4500 INCHES NOMINAL IN |
| Largest Step Diameter | 2.450 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 2.0500 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Spline Major Diameter | 2.4500 INCHES NOMINAL IN |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 1.078 INCHES NOMINAL IN |
| First End Spline Quantity | 32 |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 24 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| First End Spline Minor Diameter | 1.9375 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Pitch Diameter | 2.2500 INCHES NOMINAL IN |
| Second End Spline Length | 1.688 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 |
|---|---|
| 6835558 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 3040-01-106-4048 is a Shaft,shouldered, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-106-4048 has 1 manufacturer part number on file: 6835558 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6835558: First End Pitch Diameter: 2.0000 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 2.0625 INCHES NOMINAL IN; First End Spline Major Diameter: 2.0625 INCHES NOMINAL IN. 20 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.