The Shaft,straight, cataloged under National Stock Number 3040-00-679-0945, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 10 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 | 3040-00-679-0945 |
| Primary Part Number | 26-370-4749 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mission Systems Davenport Inc. |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Diameter | 0.7450 INCHES NOMINAL IN |
| Second End Diameter | 0.7450 INCHES NOMINAL IN |
| Second End Step Length | 0.390 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-6758,COND F-4 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | SQUARE (ROUND CORNERS) |
| Material | STEEL COMP 4130 |
| Second End Width Across Flats | 0.380 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 26-370-4749 PRIMARY | Mission Systems Davenport Inc. (USA) |
NSN 3040-00-679-0945 is a Shaft,straight, manufactured by Mission Systems Davenport Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-679-0945 has 1 manufacturer part number on file: 26-370-4749 (Mission Systems Davenport Inc.).
Key specifications for 26-370-4749: Surface Finish: 125.0 MICROINCHES; First End Diameter: 0.7450 INCHES NOMINAL IN; Second End Diameter: 0.7450 INCHES NOMINAL IN; Second End Step Length: 0.390 INCHES NOMINAL IN. 10 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.
NSN 3040-00-679-0945 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.