The Shaft,shouldered, cataloged under National Stock Number 3040-01-084-1327, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-084-1327 |
| Primary Part Number | 12267411 |
| 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 | 1 |
| Largest Step Diameter | 2.120 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12267411 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12267411 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| DAX12547 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3040-01-084-1327 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 3040-01-084-1327 has 2 manufacturer part numbers on file: 12267411 (U S Army Tank Automotive Command Amsta-Im-Mm), 12267411 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 12267411: Step Quantity: 1; Largest Step Diameter: 2.120 INCHES NOMINAL IN; Overall Length: 2.760 INCHES NOMINAL IN; End Item Identification: 2350-01-087-1095;M1A1. 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.
NSN 3040-01-084-1327 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.