The Shaft,shouldered, cataloged under National Stock Number 3040-01-109-4590, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-109-4590 |
| Primary Part Number | 11629035 |
| 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 | 2 |
| First End Diameter | 1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN |
| Second End Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.875 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 0.521 INCHES MINIMUM AND 0.551 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.1865 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN |
| Second End Groove Diameter | 1.1980 INCHES MINIMUM AND 1.2060 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0480 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Second End Style | WOODRUFF KEYWAY AND CIRCULAR GROOVED |
| Material | STEEL |
| External Keyway Length | 0.625 INCHES MINIMUM AND 0.645 INCHES MAXIMUM SECOND END 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 |
|---|---|
| 11629035 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 11629035 | 5/9 Secondary reference Sterling Mfg and Supply Inc |
NSN 3040-01-109-4590 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 3040-01-109-4590 has 1 manufacturer part number on file: 11629035 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11629035: Step Quantity: 2; First End Diameter: 1.7495 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN; Second End Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN; Largest Step Diameter: 0.875 INCHES NOMINAL IN. 14 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.