The Shaft,shouldered, cataloged under National Stock Number 3040-01-383-5702, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-383-5702 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 9 |
| First End Diameter | 1.7500 INCHES NOMINAL IN |
| Second End Diameter | 1.8750 INCHES NOMINAL IN |
| Largest Step Diameter | 2.7560 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND FLAT KEYWAY |
| Second End Keyway Width | 0.5000 INCHES NOMINAL IN |
| Second End Groove Diameter | 1.8860 INCHES NOMINAL IN |
| First End Keyway Depth | 0.1250 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.2840 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 1.4200 INCHES NOMINAL IN |
| Second End Groove Width | 0.0680 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 3.3800 INCHES NOMINAL IN |
| First End Groove Diameter | 1.8860 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND FLAT KEYWAY |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.0680 INCHES NOMINAL IN |
| External Keyway Length | 1.0000 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 2.2500 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.2500 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 |
|---|---|
| 00T25513-0000 | C/1 Advisory reference — outside the item-of-supply concept Hsi Electric, Inc. |
| 00T25513-0000 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
| 15A00201-0000 ITEM 14 | 3/9 Design control — primary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
NSN 3040-01-383-5702 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-383-5702: Step Quantity: 9; First End Diameter: 1.7500 INCHES NOMINAL IN; Second End Diameter: 1.8750 INCHES NOMINAL IN; Largest Step Diameter: 2.7560 INCHES NOMINAL IN. 20 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.