The Shaft,straight, cataloged under National Stock Number 3040-01-450-4842, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-450-4842 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 1.0000 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.9960 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE |
| First End Spline Length | 1.5000 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.8553 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 |
|---|---|
| 6404653 | D/9 Drawing number reference only Naval Sea Systems Command |
| 512-6404653-107 | 5/9 Secondary reference Naval Sea Systems Command |
| DF6503-175 FIND 107 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| DF6503-175-107 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-450-4842 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-450-4842: First End Diameter: 1.0000 INCHES NOMINAL IN; First End Spline Major Diameter: 0.9960 INCHES NOMINAL IN; First End Style: SPLINED (STRAIGHT); Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE. 9 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.