The Gearshaft,helical, cataloged under National Stock Number 3040-01-177-0037, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-177-0037 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Material | STEEL COMP 303 |
| Helix Angle | 35.1167 DEGREES |
| Shaft End Size | 0.187 INCHES IN |
| Teeth Quantity | 75 |
| Tooth Direction | RIGHT |
| Gear Outside Diameter | 1.463 INCHES MINIMUM AND 1.464 INCHES MAXIMUM IN |
| Longer Shaft Segment Length | 1.820 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 303 |
| Shaft End Type | CROSS DRILLED UNTHREADED AND PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 866373-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 866373-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| 866373-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-177-0037 is a Gearshaft,helical, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-177-0037: Shaft Material: STEEL COMP 303; Helix Angle: 35.1167 DEGREES; Shaft End Size: 0.187 INCHES IN; Teeth Quantity: 75. 9 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 3040-01-177-0037 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.