The Shaft,shouldered, cataloged under National Stock Number 3040-00-007-4440, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-007-4440 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | TEST BENCH SET,SPECIALLY DESIGNED,ACFT |
| Second End Hole Diameter | 0.0930 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.4350 INCHES NOMINAL IN |
| Second End Diameter | 0.2550 INCHES NOMINAL IN |
| Largest Step Diameter | 0.434 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.247 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 303 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B100156-1 | 3/9 Design control — primary reference Viking Tool and Machine Corp |
NSN 3040-00-007-4440 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-007-4440: Surface Finish: 125.0 MICROINCHES; FSC Application Data: TEST BENCH SET,SPECIALLY DESIGNED,ACFT; Second End Hole Diameter: 0.0930 INCHES NOMINAL IN; Step Quantity: 2. 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.