The Shaft,shouldered, cataloged under National Stock Number 3040-00-973-4973, 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 18 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 | 3040-00-973-4973 |
| Primary Part Number | 7403083 |
| 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 | 20.0 MICROINCHES |
| Second End Flat Length | 0.160 INCHES NOMINAL IN |
| Step Quantity | 9 |
| First End Diameter | 0.8106 INCHES MINIMUM AND 0.8110 INCHES MAXIMUM IN |
| Second End Diameter | 0.8106 INCHES MINIMUM AND 0.8110 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.9981 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.7500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.360 INCHES NOMINAL IN |
| Second End Groove Width | 0.0600 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.750 INCHES NOMINAL IN |
| First End Groove Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND FLATTED |
| Material | COPPER ALLOY 360 |
| First End Groove Width | 0.0600 INCHES NOMINAL IN |
| Second End Flat Depth | 0.2200 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 |
NSN 3040-00-973-4973 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 3040-00-973-4973 has 2 manufacturer part numbers on file: 7403083 (U S Army Tank Automotive Command Amsta-Im-Mm), 517128 (Renk America Llc Div Renk America).
Key specifications for 7403083: Surface Finish: 20.0 MICROINCHES; Second End Flat Length: 0.160 INCHES NOMINAL IN; Step Quantity: 9; First End Diameter: 0.8106 INCHES MINIMUM AND 0.8110 INCHES MAXIMUM IN. 18 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.