The Shaft,shouldered, cataloged under National Stock Number 3040-01-210-6929, 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12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-210-6929 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.9975 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.9975 INCHES NOMINAL IN |
| Largest Step Diameter | 1.500 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-N-281 CL A,CD FED SPEC SINGLE MATERIAL RESPONSE |
| First End Spline Length | 1.625 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.8515 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| SSN671-609-2047604 PIECE 21 | 5/2 Secondary reference U.S. Government activity |
| 71656-31X3 | D/9 Drawing number reference only U.S. Government activity |
| 71656-31X3 PIECE 21 | 3/2 Design control — primary reference U.S. Government activity |
| SSN671-609-2047604 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-210-6929 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-210-6929: Surface Finish: 32.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.9975 INCHES NOMINAL IN; First End Spline Major Diameter: 0.9975 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.
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.