The Shaft,shouldered, cataloged under National Stock Number 3040-00-731-0796, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astec Industries Inc Div Astec Ind.. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-731-0796 |
| Primary Part Number | A829-375 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Astec Industries Inc Div Astec Ind. |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 1.6880 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.688 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.3760 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.212 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 2.000 INCHES NOMINAL SECOND END 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 |
|---|---|
| A829-375 PRIMARY | Astec Industries Inc Div Astec Ind. (USA) |
| Reference | Meaning |
|---|---|
| A829-375 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| A829-375 | 5/9 Secondary reference Barber-Greene Co |
NSN 3040-00-731-0796 is a Shaft,shouldered, manufactured by Astec Industries Inc Div Astec Ind., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-731-0796 has 1 manufacturer part number on file: A829-375 (Astec Industries Inc Div Astec Ind.).
Key specifications for A829-375: Step Quantity: 2; First End Diameter: 1.6880 INCHES NOMINAL IN; Second End Diameter: 0.7500 INCHES NOMINAL IN; Largest Step Diameter: 1.688 INCHES NOMINAL IN. 11 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.