The Gearshaft,spur, cataloged under National Stock Number 3040-00-759-5487, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-759-5487 |
| Primary Part Number | 4067-21 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Shaft Material | STEEL |
| Teeth Quantity | 20 |
| Diametral Pitch | 24 |
| Gear Outside Diameter | 0.914 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.653 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4067-21 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 4067-21 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 4067D21 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-759-5487 is a Gearshaft,spur, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-759-5487 has 1 manufacturer part number on file: 4067-21 (Hornet Acquisitionco, Llc Dba Onboard Systems).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-367-4875. Verify interchangeability with system specifications before substitution.
Key specifications for 4067-21: Shaft Material: STEEL; Teeth Quantity: 20; Diametral Pitch: 24; Gear Outside Diameter: 0.914 INCHES NOMINAL IN. 6 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 3040-00-759-5487 has DEMIL Code Q. 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.