The Gear,spur, cataloged under National Stock Number 3020-00-389-8680, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-389-8680 |
| Primary Part Number | 845204 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Teeth Quantity | 44 |
| Second Step Nominal Diameter | 0.280 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Third Step Nominal Diameter | 0.311 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.4688 INCHES FIRST END IN |
| First Step Nominal Length | 0.250 INCHES FIRST END IN |
| Second Step Nominal Length | 0.6875 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.6875 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.186 INCHES FIRST END IN |
| Hub Style Designator | 3 STEPS FIRST END |
| End Nominal Length | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.7187 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 0.138 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Third Step Nominal Length | 0.2813 INCHES FIRST END IN |
| Face Nominal Width | 0.156 INCHES 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 |
|---|---|
| 845204 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3020-00-389-8680 is a Gear,spur, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-389-8680 has 1 manufacturer part number on file: 845204 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 845204: Teeth Quantity: 44; Second Step Nominal Diameter: 0.280 INCHES FIRST END IN; Body Style: PLAIN, SOLID; Third Step Nominal Diameter: 0.311 INCHES FIRST END IN. 20 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.