The Shaft,shouldered, cataloged under National Stock Number 3040-01-237-6289, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-237-6289 |
| Primary Part Number | A51S60565-17 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End External Thread Length | 0.680 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.3125 INCHES NOMINAL IN |
| Second End Diameter | 0.3125 INCHES NOMINAL IN |
| Largest Step Diameter | 0.498 INCHES NOMINAL IN |
| First End External Thread Length | 0.620 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL 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 |
| Part Number | Manufacturer |
|---|---|
| A51S60565-17 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51S60565-17 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51S60565-17 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51S60565 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 3040-01-237-6289 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-237-6289 has 1 manufacturer part number on file: A51S60565-17 (Northrop Grumman Systems Corporation).
Key specifications for A51S60565-17: Surface Finish: 125.0 MICROINCHES; Second End External Thread Length: 0.680 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 0.3125 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.