The Shaft,straight, cataloged under National Stock Number 3040-01-273-1079, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-273-1079 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.1065 INCHES NOMINAL IN |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| First End Spline Length | 0.562 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED HOLE AND SPLINED (STRAIGHT) |
| Material | STEEL |
| Second End Spline Length | 0.453 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 |
|---|---|
| 370096 | C/1 Advisory reference — outside the item-of-supply concept Woodward, Inc. |
| 370096 | 3/9 Design control — primary reference Woodward, Inc. Div Fuel Systems and Controls |
NSN 3040-01-273-1079 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-485-0790. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-273-1079: Second End Hole Diameter: 0.1065 INCHES NOMINAL IN; First End Diameter: 0.7500 INCHES NOMINAL IN; Second End Diameter: 0.7500 INCHES NOMINAL IN; First End Style: SPLINED (INVOLUTE). 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.
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.