The Shaft,straight, cataloged under National Stock Number 3040-00-320-4159, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-320-4159 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| FSC Application Data | ARRESTING HOOK BUMPER AIRCRAFT |
| Second End Hole Diameter | 0.2590 INCHES NOMINAL IN |
| First End Diameter | 0.4925 INCHES NOMINAL IN |
| Second End Diameter | 0.4925 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 0.150 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.285 INCHES NOMINAL IN |
| Second End Hole Depth | 0.492 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL |
| 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 |
|---|---|
| 1285627 | D/9 Drawing number reference only U.S. Government activity |
| 1285627-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-320-4159 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-320-4159: Surface Finish: 63.0 MICROINCHES; FSC Application Data: ARRESTING HOOK BUMPER AIRCRAFT; Second End Hole Diameter: 0.2590 INCHES NOMINAL IN; First End Diameter: 0.4925 INCHES NOMINAL IN. 12 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 3040-00-320-4159 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.