The Shaft,shouldered, cataloged under National Stock Number 3040-01-314-1085, 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16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-314-1085 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 2.7420 INCHES MINIMUM AND 2.7510 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 2.9800 INCHES MINIMUM AND 2.9900 INCHES MAXIMUM IN |
| Second End Diameter | 4.4750 INCHES MINIMUM AND 4.4780 INCHES MAXIMUM IN |
| Largest Step Diameter | 3.500 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-N-236 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 3.8380 INCHES MINIMUM AND 3.8430 INCHES MAXIMUM IN |
| First End Spline Quantity | 10 |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 10 |
| Second End Groove Width | 1.0000 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 3.250 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND SPLINED (STRAIGHT) |
| First End Spline Minor Diameter | 0.9380 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 26M68-320-1 | 3/2 Design control — primary reference U.S. Government activity |
| 26M68-320-1 | 5/9 Secondary reference At and T Document Development Organization |
| 26M68-320-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 26M68-320 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-314-1085 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-314-1085: Step Quantity: 5; First End Diameter: 2.7420 INCHES MINIMUM AND 2.7510 INCHES MAXIMUM IN; First End Spline Major Diameter: 2.9800 INCHES MINIMUM AND 2.9900 INCHES MAXIMUM IN; Second End Diameter: 4.4750 INCHES MINIMUM AND 4.4780 INCHES MAXIMUM 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.
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.