The Shaft,shouldered, cataloged under National Stock Number 3040-01-348-6345, 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 Corp Dba Northrop Grumman Computing Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-348-6345 |
| Primary Part Number | DAA3255D025-001 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Step Quantity | 6 |
| First End Diameter | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Second End Diameter | 0.8280 INCHES NOMINAL IN |
| Largest Step Diameter | 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN |
| First End Style | INTERNAL THREADED |
| Second End Spline Major Diameter | 0.8280 INCHES NOMINAL IN |
| First End Internal Thread Length | 0.5000 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Spline Length | 0.7200 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DAA3255D025-001 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| DAA3255D025-001 | Hughes Tool Co (USA) |
| Reference | Meaning |
|---|---|
| DAA3255D025-001 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| DAA3255D025 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 3040-01-348-6345 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-348-6345 has 2 manufacturer part numbers on file: DAA3255D025-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), DAA3255D025-001 (Hughes Tool Co).
Key specifications for DAA3255D025-001: Step Quantity: 6; First End Diameter: 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN; Second End Diameter: 0.8280 INCHES NOMINAL IN; Largest Step Diameter: 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM 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.
NSN 3040-01-348-6345 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.