The Shaft,shouldered, cataloged under National Stock Number 3040-00-090-8737, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Parameter | Value |
|---|---|
| NSN | 3040-00-090-8737 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.0620 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN |
| Second End Diameter | 0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.250 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| First End Keyway Depth | 0.027 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN |
| Second End Distance From Hole Center to End | 0.148 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 416 |
| External Keyway Length | 1.687 INCHES MINIMUM AND 1.688 INCHES MAXIMUM FIRST END IN |
| First End Keyway Width | 0.0960 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 |
|---|---|
| 5037 | 3/9 Design control — primary reference Prince Alexander Partners Inc Div Architecture Engieering and Economic Development |
NSN 3040-00-090-8737 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-090-8737: Second End Hole Diameter: 0.0620 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN; Second End Diameter: 0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM 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.