The Shaft,shouldered, cataloged under National Stock Number 3040-01-106-8586, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-106-8586 |
| Primary Part Number | 5428251 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Step Quantity | 1 |
| First End Diameter | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Second End Diameter | 0.5150 INCHES NOMINAL IN |
| Largest Step Diameter | 0.515 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A322 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A331 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5428251 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-106-8586 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-106-8586 has 1 manufacturer part number on file: 5428251 (Naval Sea Systems Command).
Key specifications for 5428251: Surface Finish: 125.0 MICROINCHES; Step Quantity: 1; First End Diameter: 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN; Second End Diameter: 0.5150 INCHES NOMINAL IN. 11 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.