The Shaft,shouldered, cataloged under National Stock Number 3040-01-107-3396, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-107-3396 |
| Primary Part Number | 12297576 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Second End Grooved Flat Length | 0.5000 INCHES MINIMUM AND 0.7000 INCHES MAXIMUM IN |
| Step Quantity | 3 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Distance From End to Flat | 1.810 INCHES MINIMUM AND 2.210 INCHES MAXIMUM IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.060 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | ASTM-A322 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Grooved Flat Depth | 0.018 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Second End Style | FLAT GROOVED AND INTERNALLY THREADED |
| Material | STEEL COMP 4130 |
| Second End Internal Thread Length | 1.000 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 |
|---|---|
| 12297576 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12297576 | 5/9 Secondary reference Green Industries, Inc |
NSN 3040-01-107-3396 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 3040-01-107-3396 has 1 manufacturer part number on file: 12297576 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12297576: Second End Grooved Flat Length: 0.5000 INCHES MINIMUM AND 0.7000 INCHES MAXIMUM IN; Step Quantity: 3; First End Diameter: 0.7500 INCHES NOMINAL IN; Second End Distance From End to Flat: 1.810 INCHES MINIMUM AND 2.210 INCHES MAXIMUM IN. 14 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.