The Shaft,straight, cataloged under National Stock Number 3040-00-734-9429, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-734-9429 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.3090 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| First End Keyway Depth | 5.750 INCHES MINIMUM AND 5.875 INCHES MAXIMUM IN |
| Second End Distance From Hole Center to End | 0.312 INCHES NOMINAL IN |
| Second End Hole Depth | 0.999 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL |
| First End Keyway Width | 0.2970 INCHES MINIMUM AND 0.3280 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 396794 | 3/9 Design control — primary reference Raytheon Technical Services Company |
| 396794 | C/1 Advisory reference — outside the item-of-supply concept Cae Usa Inc. |
NSN 3040-00-734-9429 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-734-9429: Second End Hole Diameter: 0.3090 INCHES MINIMUM AND 0.3220 INCHES MAXIMUM IN; First End Style: FLAT KEYWAY; Overall Length: 38.000 INCHES MINIMUM AND 38.125 INCHES MAXIMUM IN; First End Keyway Depth: 5.750 INCHES MINIMUM AND 5.875 INCHES MAXIMUM IN. 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.
NSN 3040-00-734-9429 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.