The Shaft,shouldered, cataloged under National Stock Number 3040-01-073-8000, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-073-8000 |
| Primary Part Number | 12267950 |
| 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 |
| First End Diameter | 1.0000 INCHES NOMINAL IN |
| Second End Diameter | 1.4400 INCHES NOMINAL IN |
| Largest Step Diameter | 0.866 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.0997 INCHES NOMINAL IN |
| First End External Thread Length | 0.444 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Second End Spline Major Diameter | 0.1009 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.600 INCHES NOMINAL IN |
| Second End Spline Quantity | 16 |
| First End Groove Diameter | 0.6600 INCHES NOMINAL IN |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL |
| First End Groove Width | 0.1560 INCHES NOMINAL IN |
| Second End Spline Length | 2.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-073-8000 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 3040-01-073-8000 has 2 manufacturer part numbers on file: DAX12076 (Allison Transmission Inc Dba Allison Transmission, Inc), 12267950 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12267950: Step Quantity: 7; First End Diameter: 1.0000 INCHES NOMINAL IN; Second End Diameter: 1.4400 INCHES NOMINAL IN; Largest Step Diameter: 0.866 INCHES NOMINAL IN. 16 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 3040-01-073-8000 has DEMIL Code Q. 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.