The Shaft,shouldered, cataloged under National Stock Number 3040-01-109-4591, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-109-4591 |
| Primary Part Number | 11629124 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Step Quantity | 6 |
| First End Diameter | 0.7445 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Second End Diameter | 0.9397 INCHES MINIMUM AND 0.9414 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.368 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.8040 INCHES NOMINAL IN |
| First End Distance From End to Flat | 0.215 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| First End Style | FLAT GROOVED |
| Second End Spline Major Diameter | 0.8720 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| First End Grooved Flat Depth | 0.240 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 26 |
| First End Grooved Flat Length | 0.2000 INCHES NOMINAL IN |
| Second End Pressure Angle | 45.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 0.8438 INCHES NOMINAL IN |
| Second End Spline Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM 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 |
|---|---|
| 11629124 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 11629124 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-109-4591 is a Shaft,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-109-4591 has 1 manufacturer part number on file: 11629124 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11629124: Step Quantity: 6; First End Diameter: 0.7445 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; Second End Diameter: 0.9397 INCHES MINIMUM AND 0.9414 INCHES MAXIMUM IN; Largest Step Diameter: 1.368 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN. 17 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.