The Gearshaft,spur, cataloged under National Stock Number 3040-00-993-5999, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 12 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 | 3040-00-993-5999 |
| Primary Part Number | BUWEPSDWG2163047 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL |
| Shaft Largest Diameter | 0.250 INCHES NOMINAL IN |
| Shaft End Size | 0.187 INCHES IN |
| Teeth Quantity | 84 |
| Diametral Pitch | 96 |
| Gear Outside Diameter | 0.893 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Shaft End Type | SERRATED |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.094 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 |
|---|---|
| BUWEPSDWG2163047 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| 2163047 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-00-993-5999 is a Gearshaft,spur, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-993-5999 has 2 manufacturer part numbers on file: BUWEPSDWG2163047 (Lockheed Martin Librascope Corporation), 2163047 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for BUWEPSDWG2163047: Shaft Type: SHOULDERED; Shaft Material: STEEL; Shaft Largest Diameter: 0.250 INCHES NOMINAL IN; Shaft End Size: 0.187 INCHES IN. 12 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.