The Gearshaft,spur, cataloged under National Stock Number 3040-00-993-6108, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-993-6108 |
| Primary Part Number | 2041820 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shaft Type | STRAIGHT |
| Shaft Material | STEEL COMP 416 |
| Shaft End Size | 0.187 INCHES IN |
| Shaft Diameter | 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Teeth Quantity | 49 |
| Diametral Pitch | 96 |
| Gear Outside Diameter | 0.528 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Longer Shaft Segment Length | 0.935 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 416 |
| Shaft End Type | CIRCULAR GROOVED AND PLAIN |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM 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 |
|---|---|
| 2041820 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPSDWG2041820 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
NSN 3040-00-993-6108 is a Gearshaft,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-993-6108 has 2 manufacturer part numbers on file: 2041820 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSDWG2041820 (Lockheed Martin Librascope Corporation).
Key specifications for 2041820: Shaft Type: STRAIGHT; Shaft Material: STEEL COMP 416; Shaft End Size: 0.187 INCHES IN; Shaft Diameter: 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM 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.