The Shaft,shouldered, cataloged under National Stock Number 3040-01-052-9049, 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 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-052-9049 |
| Primary Part Number | 12266250 |
| 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 | 7 |
| Largest Step Diameter | 2.999 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 |
| 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 |
|---|---|
| 12266250 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12266250 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
| 12266250 | 5/2 Secondary reference U.S. Government activity |
| 676753-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 3040-01-052-9049 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 3040-01-052-9049 has 1 manufacturer part number on file: 12266250 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266250: Step Quantity: 7; Largest Step Diameter: 2.999 INCHES NOMINAL IN; Overall Length: 13.499 INCHES NOMINAL IN; End Item Identification: 2350-01-045-1123 IMPROVE TOW VEH. 3 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.