The Shaft,straight, cataloged under National Stock Number 3040-01-413-2635, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-413-2635 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Diameter | 0.9970 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.9990 INCHES MAXIMUM IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| First End Spline Quantity | 5 |
| End Similarity | NOT IDENTICAL |
| Second End Grooved Flat Depth | 0.125 INCHES NOMINAL IN |
| Second End Style | TWO FLAT GROOVES |
| First End Spline Minor Diameter | 0.8470 INCHES MINIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| MDD-452-4 | 3/9 Design control — primary reference Belshaw Bros., Inc. Dba Belshaw Bros Inc |
NSN 3040-01-413-2635 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-413-2635: First End Diameter: 0.9970 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.9990 INCHES MAXIMUM IN; Second End Diameter: 1.0000 INCHES NOMINAL IN; First End Style: SPLINED (INVOLUTE). 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.