The Shaft,rudder, cataloged under National Stock Number 2040-01-332-2720, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is United States Coast Guard Yard. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-332-2720 |
| Primary Part Number | 618WMEC-562-001 DETAIL 9E |
| Item Name | Shaft,rudder |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | United States Coast Guard Yard |
| Status | ACTIVE |
| Step Quantity | 6 |
| First End Diameter | 6.0000 INCHES NOMINAL IN |
| Second End Diameter | 8.4370 INCHES NOMINAL IN |
| Second End Step Length | 5.000 INCHES NOMINAL IN |
| Largest Step Diameter | 8.750 INCHES NOMINAL IN |
| First End External Thread Length | 4.625 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | SQUARE (ROUND CORNERS) |
| Material | STEEL |
| Second End Width Across Flats | 6.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 618WMEC-562-001 DETAIL 9E PRIMARY | United States Coast Guard Yard (USA) |
| Reference | Meaning |
|---|---|
| 615-WPC 2200-2 ALTERATION 12 PIE | 3/9 Design control — primary reference United States Coast Guard Yard |
NSN 2040-01-332-2720 is a Shaft,rudder, manufactured by United States Coast Guard Yard, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-332-2720 has 1 manufacturer part number on file: 618WMEC-562-001 DETAIL 9E (United States Coast Guard Yard).
Key specifications for 618WMEC-562-001 DETAIL 9E: Step Quantity: 6; First End Diameter: 6.0000 INCHES NOMINAL IN; Second End Diameter: 8.4370 INCHES NOMINAL IN; Second End Step Length: 5.000 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.
NSN 2040-01-332-2720 has DEMIL Code B. 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.