The Shaft,shouldered, cataloged under National Stock Number 3040-01-374-7876, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-374-7876 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 1.1250 INCHES NOMINAL IN |
| Second End Diameter | 1.3750 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Keyway Width | 0.3120 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 1.7500 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 2.3800 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.2500 INCHES NOMINAL 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 |
|---|---|
| 610538-1RA | C/1 Advisory reference — outside the item-of-supply concept Reliance Electric Company Dba Reliance & Dodge Brands |
| 610538-1RA | 3/9 Design control — primary reference Reliance Electric |
NSN 3040-01-374-7876 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-374-7876: First End Diameter: 1.1250 INCHES NOMINAL IN; Second End Diameter: 1.3750 INCHES NOMINAL IN; First End Style: FLAT KEYWAY; Second End Keyway Width: 0.3120 INCHES NOMINAL IN. 10 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.