The Shaft,shouldered, cataloged under National Stock Number 3040-01-208-8274, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-208-8274 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| FSC Application Data | ENGINE COOLING SYSTEM COMPONENTS,NONAIRCRAFT |
| Second End External Thread Length | 0.437 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.5100 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.730 INCHES NOMINAL IN |
| Second End Diameter | 0.5201 INCHES NOMINAL IN |
| Largest Step Diameter | 0.810 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.1100 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.790 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 0.525 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.0660 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3601489-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-208-8274 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-208-8274: FSC Application Data: ENGINE COOLING SYSTEM COMPONENTS,NONAIRCRAFT; Second End External Thread Length: 0.437 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.5100 INCHES NOMINAL IN. 16 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 3040-01-208-8274 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.