The Shaft,shouldered, cataloged under National Stock Number 3040-00-433-4939, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-433-4939 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End External Thread Length | 0.535 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 2.7500 INCHES NOMINAL IN |
| Second End Diameter | 0.4375 INCHES NOMINAL IN |
| Largest Step Diameter | 2.750 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 5643,COND A ASSN STD ALL MATERIAL RESPONSES |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4F63468-101A | 3/2 Design control — primary reference U.S. Government activity |
| 4F63468 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-00-433-4939 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-433-4939: Surface Finish: 125.0 MICROINCHES; Second End External Thread Length: 0.535 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 2.7500 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.
NSN 3040-00-433-4939 has DEMIL Code Q. 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.