The Shaft,shouldered, cataloged under National Stock Number 3040-00-870-2425, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Carver Pump Company. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-870-2425 |
| Primary Part Number | 2-8-58NL |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Second End External Thread Length | 0.562 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.9700 INCHES NOMINAL IN |
| Second End Diameter | 1.1880 INCHES NOMINAL IN |
| Largest Step Diameter | 1.375 INCHES NOMINAL IN |
| First End External Thread Length | 0.625 INCHES NOMINAL IN |
| First End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| Second End Keyway Width | 0.1850 INCHES NOMINAL IN |
| First End Keyway Depth | 0.088 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.085 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 0.875 INCHES NOMINAL SECOND END IN |
| External Keyway Length | 0.625 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2500 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 |
| Part Number | Manufacturer |
|---|---|
| 2FCS195PC6 | Carver Pump Company (USA) |
| 2-8-58NL PRIMARY | Carver Pump Company (USA) |
| 2HCS196PC6 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 2HCS196PC6 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 2-8-58NL | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 2FCS195PC6 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 2-8-58NL | 5/9 Secondary reference General Signal Corp |
NSN 3040-00-870-2425 is a Shaft,shouldered, manufactured by Carver Pump Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-870-2425 has 3 manufacturer part numbers on file: 2FCS195PC6 (Carver Pump Company), 2-8-58NL (Carver Pump Company), 2HCS196PC6 (Carver Pump Company).
Key specifications for 2-8-58NL: Second End External Thread Length: 0.562 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.9700 INCHES NOMINAL IN; Second End Diameter: 1.1880 INCHES NOMINAL IN. 16 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.