The Shaft,shouldered, cataloged under National Stock Number 3040-00-146-7511, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Norfolk Naval Shipyard. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-146-7511 |
| Primary Part Number | 6441 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Norfolk Naval Shipyard |
| Status | ACTIVE |
| First End Style | WOODRUFF KEYWAY |
| First End Keyway Width | 0.1880 INCHES NOMINAL IN |
| External Keyway Length | 0.750 INCHES NOMINAL FIRST END IN |
| Largest Step Diameter | 0.958 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| First End Diameter | 0.6860 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Distance From Keyway Center to End | 0.781 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6441 | Norfolk Naval Shipyard (USA) |
| DA6441 | Norfolk Naval Shipyard (USA) |
| 14U1037PCDA6441 | Norfolk Naval Shipyard (USA) |
NSN 3040-00-146-7511 is a Shaft,shouldered, manufactured by Norfolk Naval Shipyard, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-146-7511 has 3 cross-referenced part numbers: 6441 (Norfolk Naval Shipyard), DA6441 (Norfolk Naval Shipyard), 14U1037PCDA6441 (Norfolk Naval Shipyard).
There are 9 known substitutes for 3040-00-146-7511: 5330-00-144-3325, 5306-00-497-3173, 4730-00-974-3682 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6441: First End Style: WOODRUFF KEYWAY; First End Keyway Width: 0.1880 INCHES NOMINAL IN; External Keyway Length: 0.750 INCHES NOMINAL FIRST END IN; Largest Step Diameter: 0.958 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.