The Gearshaft,spur, cataloged under National Stock Number 3040-00-042-3817, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-042-3817 |
| Primary Part Number | 1786932 |
| 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 | 0.181 INCHES IN |
| Shaft Diameter | 0.181 INCHES NOMINAL IN |
| Teeth Quantity | 21 |
| Diametral Pitch | 96 |
| Precision Classification | QUALITY NUMBER 10 |
| Gear Outside Diameter | 0.238 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 416 |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.125 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 |
|---|---|
| 1786932 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPSDWG1786932 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| L310029331 | Lockheed Martin Librascope Corporation (USA) |
NSN 3040-00-042-3817 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 3040-00-042-3817 has 3 manufacturer part numbers on file: 1786932 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSDWG1786932 (Lockheed Martin Librascope Corporation), L310029331 (Lockheed Martin Librascope Corporation).
Key specifications for 1786932: Shaft Type: STRAIGHT; Shaft Material: STEEL COMP 416; Shaft End Size: 0.181 INCHES IN; Shaft Diameter: 0.181 INCHES NOMINAL 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.