The Gearshaft,spur, cataloged under National Stock Number 3040-00-138-0539, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-138-0539 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Teeth Quantity | 117 |
| Gear Outside Diameter | 2.475 INCHES MINIMUM AND 2.479 INCHES MAXIMUM IN |
| Pressure Angle | 20.0000 DEGREES |
| 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 |
|---|---|
| 735957-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-138-0539 is a Gearshaft,spur, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-138-0539: Teeth Quantity: 117; Gear Outside Diameter: 2.475 INCHES MINIMUM AND 2.479 INCHES MAXIMUM IN; Overall Length: 2.010 INCHES NOMINAL IN; Special Features: PASSIVATED,MIL-F-14072,FINISH E300,2.436 IN. MIN,2.437 IN. MAX PITCH DIA IN. 3 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 3040-00-138-0539 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.