The Shaft,straight, cataloged under National Stock Number 3040-00-279-3653, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-279-3653 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| FSC Application Data | SETAT,AIRCRAFT EJECTION |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| First End Hole Depth | 0.500 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| End Similarity | IDENTICAL |
| First End Hole Diameter | 0.1760 INCHES MINIMUM AND 0.1820 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| First End Distance From Hole Center to End | 0.660 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 |
|---|---|
| 472P121C021-7 | 3/9 Design control — primary reference Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. |
NSN 3040-00-279-3653 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-279-3653: FSC Application Data: SETAT,AIRCRAFT EJECTION; First End Diameter: 0.5000 INCHES NOMINAL IN; First End Hole Depth: 0.500 INCHES NOMINAL IN; First End Style: UNTHREADED CROSS DRILLED. 8 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.