The Shaft,shouldered, cataloged under National Stock Number 3040-01-358-6144, 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 Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-358-6144 |
| Primary Part Number | DAA3255D155-003 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Second End Hole Diameter | 0.1250 INCHES NOMINAL IN |
| Second End External Thread Length | 0.5500 INCHES NOMINAL IN |
| Step Quantity | 14 |
| First End Diameter | 0.8740 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.7500 INCHES MAXIMUM IN |
| Second End Diameter | 0.4220 INCHES NOMINAL IN |
| Largest Step Diameter | 1.2500 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Distance From Hole Center to End | 0.1600 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| First End Spline Minor Diameter | 0.6121 INCHES MAXIMUM IN |
| 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 |
|---|---|
| DAA3255D155-003 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| DAA3255D155 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 3040-01-358-6144 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-358-6144 has 1 manufacturer part number on file: DAA3255D155-003 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for DAA3255D155-003: Surface Finish: 32.0 MICROINCHES; Second End Hole Diameter: 0.1250 INCHES NOMINAL IN; Second End External Thread Length: 0.5500 INCHES NOMINAL IN; Step Quantity: 14. 14 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.