The Shaft,shouldered, cataloged under National Stock Number 3040-01-496-2996, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-496-2996 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Flat Length | 0.875 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.998 INCHES NOMINAL IN |
| First End Distance From End to Flat | 0.317 INCHES NOMINAL IN |
| First End Style | FLAT GROOVED |
| Material Document and Classification | QQ-S-763, CLASS 304 NATIONAL SPEC ALL MATERIAL RESPONSES |
| End Similarity | NOT IDENTICAL |
| First End Grooved Flat Length | 0.6250 INCHES NOMINAL IN |
| Second End Style | FLATTED AND INTERNALLY THREADED |
| Material | STEEL COMP 304 |
| Second End Internal Thread Length | 0.750 INCHES MINIMUM 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 |
|---|---|
| 148K0022 | D/9 Drawing number reference only U.S. Government activity |
| 148K0022-3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3040-01-496-2996 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-496-2996: Second End Flat Length: 0.875 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 0.5000 INCHES NOMINAL IN; Second End Diameter: 0.5000 INCHES NOMINAL IN. 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.