The Shaft,shouldered, cataloged under National Stock Number 3040-01-488-5565, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-488-5565 |
| Primary Part Number | 581-6726890-19 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Minor Diameter | 2.8700 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY K-500 |
| Second End Diameter | 3.2450 INCHES MINIMUM AND 3.2470 INCHES MAXIMUM IN |
| Largest Step Diameter | 3.7500 INCHES MINIMUM AND 3.7540 INCHES MAXIMUM IN |
| Second End Spline Major Diameter | 3.2450 INCHES MINIMUM AND 3.2470 INCHES MAXIMUM IN |
| Second End Spline Quantity | 9 |
| Second End Hole Depth | 3.2470 INCHES NOMINAL IN |
| First End Diameter | 1.5000 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 2.0000 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Hole Diameter | 1.1210 INCHES MINIMUM AND 1.1370 INCHES MAXIMUM IN |
| Second End Style | CROSS DRILLED HOLE AND SPLINED (STRAIGHT) |
| Step Quantity | 5 |
| Second End Spline Length | 12.8100 INCHES NOMINAL IN |
| First End External Thread Length | 2.2200 INCHES MINIMUM AND 2.2800 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6726890 | Naval Sea Systems Command (USA) |
| 581-6726890-19 PRIMARY | Naval Sea Systems Command (USA) |
| DF2011-282 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 14922132 | Naval Sea Systems Command (USA) |
| DF2011-282-19 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3040-01-488-5565 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-488-5565 has 5 cross-referenced part numbers: 6726890 (Naval Sea Systems Command), 581-6726890-19 (Naval Sea Systems Command), DF2011-282 (Huntington Ingalls Inc Div Newport News Shipbuilding), 14922132 (Naval Sea Systems Command), DF2011-282-19 (Huntington Ingalls Inc Div Newport News Shipbuilding).
There are 11 known substitutes for 3040-01-488-5565: 3120-01-487-6373, 3120-01-487-6377, 3120-01-487-6387 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 581-6726890-19: Part Name Assigned by Controlling Agency: SHAFT, ACTUATOR EXTENSION; End Similarity: NOT IDENTICAL; Second End Spline Minor Diameter: 2.8700 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN; End Item Identification: SEAWOLF CLASS SSN. 20 total characteristics are documented in the Federal Logistics Information System.