The Shaft,shouldered, cataloged under National Stock Number 3040-00-040-2810, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-040-2810 |
| Primary Part Number | 8332751 |
| 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 | 32.0 MICROINCHES |
| Second End Hole Diameter | 0.1410 INCHES NOMINAL IN |
| Second End External Thread Length | 0.767 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Step Quantity | 6 |
| First End Diameter | 1.7500 INCHES MINIMUM AND 1.7505 INCHES MAXIMUM IN |
| Second End Diameter | 1.2500 INCHES NOMINAL IN |
| Largest Step Diameter | 2.466 INCHES MINIMUM AND 2.472 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES |
| Second End Distance From Hole Center to End | 0.310 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| Material | STEEL COMP 4140 |
| 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 |
|---|---|
| 8332751 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 607KC28 | 3/2 Design control — primary reference U.S. Government activity |
| 607KC28 | 5/9 Secondary reference Mack Trucks Inc Parts Opn |
NSN 3040-00-040-2810 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 3040-00-040-2810 has 1 manufacturer part number on file: 8332751 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8332751: Surface Finish: 32.0 MICROINCHES; Second End Hole Diameter: 0.1410 INCHES NOMINAL IN; Second End External Thread Length: 0.767 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN; Step Quantity: 6. 13 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.