The Shaft,shouldered, cataloged under National Stock Number 3040-01-291-8213, 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 24 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 | 3040-01-291-8213 |
| Primary Part Number | 12268232 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Second End External Thread Length | 0.5360 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 0.9665 INCHES NOMINAL IN |
| Second End Diameter | 0.9665 INCHES NOMINAL IN |
| Largest Step Diameter | 1.6265 INCHES NOMINAL IN |
| First End External Thread Length | 0.3100 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Second End Keyway Width | 0.1900 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.8800 INCHES NOMINAL IN |
| First End Keyway Depth | 0.0900 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.0900 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.3100 INCHES NOMINAL IN |
| Second End Groove Width | 0.0600 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.5360 INCHES NOMINAL IN |
| First End Groove Diameter | 0.8800 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 |
| First End Groove Width | 0.0600 INCHES NOMINAL IN |
| External Keyway Length | 0.5900 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 0.8100 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.1900 INCHES NOMINAL 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 |
|---|---|
| 12268232 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-291-8213 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 3040-01-291-8213 has 1 manufacturer part number on file: 12268232 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12268232: Surface Finish: 16.0 MICROINCHES; Second End External Thread Length: 0.5360 INCHES NOMINAL IN; Step Quantity: 6; First End Diameter: 0.9665 INCHES NOMINAL IN. 24 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.