The Shaft,shouldered, cataloged under National Stock Number 3040-01-050-2038, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-050-2038 |
| Primary Part Number | 12266011 |
| 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 | 5 |
| First End Diameter | 0.3144 INCHES MINIMUM AND 0.3149 INCHES MAXIMUM IN |
| Second End Diameter | 0.3929 INCHES MINIMUM AND 0.3934 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.393 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.3050 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0600 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 2.800 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 304 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12266011 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-050-2038 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 3040-01-050-2038 has 1 manufacturer part number on file: 12266011 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266011: Step Quantity: 5; First End Diameter: 0.3144 INCHES MINIMUM AND 0.3149 INCHES MAXIMUM IN; Second End Diameter: 0.3929 INCHES MINIMUM AND 0.3934 INCHES MAXIMUM IN; Largest Step Diameter: 0.393 INCHES NOMINAL IN. 12 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 3040-01-050-2038 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.