The Gearshaft,spur, cataloged under National Stock Number 3040-01-344-9333, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-344-9333 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL |
| Shaft Largest Diameter | 0.124 INCHES NOMINAL IN |
| Shaft End Size | 0.093 INCHES IN |
| Teeth Quantity | 30 |
| Diametral Pitch | 96 |
| Gear Outside Diameter | 0.341 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 0.888 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.140 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 |
| Reference | Meaning |
|---|---|
| 277731 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-344-9333 is a Gearshaft,spur, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1560-01-648-1803. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-344-9333: Shaft Type: SHOULDERED; Shaft Material: STEEL; Shaft Largest Diameter: 0.124 INCHES NOMINAL IN; Shaft End Size: 0.093 INCHES IN. 13 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.