The Shaft,shouldered, cataloged under National Stock Number 3040-01-192-9683, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-192-9683 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End Hole Diameter | 0.2430 INCHES NOMINAL IN |
| Second End External Thread Length | 0.750 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 1.2470 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 1.885 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.247 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Material Document and Classification | QQ-N-281 CL A FORM 1 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.5900 INCHES NOMINAL IN |
| First End Keyway Depth | 0.222 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.433 INCHES NOMINAL IN |
| Second End Hole Depth | 0.118 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.1900 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.750 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED, CROSS DRILLED HOLE, AND EXTERNALLY THREADED |
| Material | NICKEL ALLOY |
| External Keyway Length | 1.630 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3760 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 |
|---|---|
| 87611-1419 ITEM 11 | 5/2 Secondary reference U.S. Government activity |
| 87611-1419 | D/9 Drawing number reference only U.S. Government activity |
| 520-4674705 ITEM 11 | 3/2 Design control — primary reference U.S. Government activity |
| 520-4674705 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-192-9683 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-243-3549. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-192-9683: Surface Finish: 125.0 MICROINCHES; Second End Hole Diameter: 0.2430 INCHES NOMINAL IN; Second End External Thread Length: 0.750 INCHES NOMINAL IN; Step Quantity: 3. 21 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.