The Shaft,shouldered, cataloged under National Stock Number 3040-00-919-0203, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-919-0203 |
| Primary Part Number | 4067C180 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End External Thread Length | 0.250 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 0.1840 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Second End Diameter | 0.1840 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.500 INCHES NOMINAL IN |
| First End External Thread Length | 0.250 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 4140 |
| 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 |
|---|---|
| 4067C180 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 4067C180 | 5/9 Secondary reference U.S. Government activity |
| 4067C180 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 3040-00-919-0203 is a Shaft,shouldered, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-919-0203 has 1 manufacturer part number on file: 4067C180 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 4067C180: Surface Finish: 63.0 MICROINCHES; Second End External Thread Length: 0.250 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 0.1840 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN. 10 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.