The Shaft,shouldered, cataloged under National Stock Number 3040-00-628-8971, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-628-8971 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| FSC Application Data | TEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED |
| Second End Hole Diameter | 0.15625 INCHES NOMINAL IN |
| Second End External Thread Length | 1.84375 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.3740 INCHES NOMINAL IN |
| Second End Diameter | 0.2470 INCHES NOMINAL IN |
| Largest Step Diameter | 0.374 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Hole Depth | 0.374 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| Material | STEEL |
| 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 |
|---|---|
| 527A128 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-628-8971 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-628-8971: FSC Application Data: TEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED; Second End Hole Diameter: 0.15625 INCHES NOMINAL IN; Second End External Thread Length: 1.84375 INCHES NOMINAL IN; Step Quantity: 2. 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.