The Gearshaft,spur, cataloged under National Stock Number 3040-01-070-5122, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-070-5122 |
| Primary Part Number | 42277-359 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Shaft Material | STEEL COMP 4340 |
| Teeth Quantity | 15 |
| Diametral Pitch | 20 |
| Gear Outside Diameter | 0.850 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 4340 |
| Face Width | 0.030 INCHES NOMINAL IN |
| 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 |
|---|---|
| 42277-359 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42277D359 | 5/9 Secondary reference U.S. Government activity |
| 42277-359 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 3040-01-070-5122 is a Gearshaft,spur, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-070-5122 has 1 manufacturer part number on file: 42277-359 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42277-359: Shaft Material: STEEL COMP 4340; Teeth Quantity: 15; Diametral Pitch: 20; Gear Outside Diameter: 0.850 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.
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.