The Gear and Hub Assemb, cataloged under National Stock Number 3020-00-159-0643, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Gear and Hub Assemb |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001) |
| Parameter | Value |
|---|---|
| NSN | 3020-00-159-0643 |
| Primary Part Number | LD167989PC27 |
| Item Name | Gear and Hub Assemb |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LD167989PC27 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| LD167989ITEM27 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| LD167989PC27 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| LD167989 GP27 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 3020-00-159-0643 is a Gear and Hub Assemb, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-159-0643 has 3 manufacturer part numbers on file: LD167989PC27 (Lockheed Martin Corporation Div Rms - Mitchel Field), LD167989ITEM27 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD167989PC27 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
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 3020-00-159-0643 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.