The Shaft,shouldered, cataloged under National Stock Number 3040-00-142-9448, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-142-9448 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.1855 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN |
| Second End Diameter | 0.1875 INCHES MINIMUM AND 0.1887 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | AN-S-771 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.042 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| First End Groove Diameter | 0.1730 INCHES MINIMUM AND 0.1770 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 |
| First End Groove Width | 0.0170 INCHES MINIMUM AND 0.0220 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 506-0910-002 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 506-0910-002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-142-9448 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-142-9448: Surface Finish: 16.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.1855 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN; Second End Diameter: 0.1875 INCHES MINIMUM AND 0.1887 INCHES MAXIMUM IN. 12 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.