The Shaft,shouldered, cataloged under National Stock Number 3040-01-020-2885, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-020-2885 |
| Primary Part Number | 2618551-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 11 |
| First End Diameter | 0.4999 INCHES MINIMUM AND 0.5002 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.5312 INCHES MINIMUM AND 0.5314 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| End Similarity | IDENTICAL |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 2618551-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2618551P1 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3040-01-020-2885 is a Shaft,shouldered, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-020-2885 has 1 manufacturer part number on file: 2618551-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2618551-1: Surface Finish: 32.0 MICROINCHES; Step Quantity: 11; First End Diameter: 0.4999 INCHES MINIMUM AND 0.5002 INCHES MAXIMUM IN; Largest Step Diameter: 0.5312 INCHES MINIMUM AND 0.5314 INCHES MAXIMUM IN. 7 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.