The Shaft,straight, cataloged under National Stock Number 3040-01-199-7813, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3040-01-199-7813 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Pitch Diameter | 0.2813 INCHES NOMINAL IN |
| First End Diameter | 0.3125 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.3125 INCHES NOMINAL IN |
| Second End Diameter | 0.3125 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.2530 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Spline Major Diameter | 0.3125 INCHES NOMINAL IN |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 0.500 INCHES NOMINAL IN |
| First End Spline Quantity | 9 |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 9 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| First End Spline Minor Diameter | 0.2530 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Second End Pitch Diameter | 0.2813 INCHES NOMINAL IN |
| Second End Spline Length | 0.750 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 |
|---|---|
| 71659A1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-199-7813 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-199-7813: First End Pitch Diameter: 0.2813 INCHES NOMINAL IN; First End Diameter: 0.3125 INCHES NOMINAL IN; First End Spline Major Diameter: 0.3125 INCHES NOMINAL IN; Second End Diameter: 0.3125 INCHES NOMINAL IN. 18 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.