The Shaft,shouldered, cataloged under National Stock Number 3040-01-152-5485, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-152-5485 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Step Quantity | 7 |
| First End Diameter | 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| Second End Diameter | 0.3432 INCHES MINIMUM AND 0.3436 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.3432 INCHES MINIMUM AND 0.3436 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.2630 INCHES MINIMUM AND 0.2710 INCHES MAXIMUM IN |
| First End Distance Between First and Second Groove Centers | 0.569 INCHES NOMINAL IN |
| First End Style | TWO CIRCULAR GROOVES |
| Second End Spline Major Diameter | 0.3125 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-764,CLASS 303,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.2200 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.114 INCHES NOMINAL IN |
| Second End Spline Quantity | 10 |
| Second End Groove Width | 0.0250 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.515 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2100 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED AND SPLINED (STRAIGHT) |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.0290 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN |
| Second End Spline Length | 0.515 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 |
|---|---|
| 7682-278 | 3/9 Design control — primary reference Recon/optical, Inc. |
| 7682-278 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-152-5485 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-152-5485: Surface Finish: 16.0 MICROINCHES; Step Quantity: 7; First End Diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN; Second End Diameter: 0.3432 INCHES MINIMUM AND 0.3436 INCHES MAXIMUM IN. 22 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.