The Gear,helical, cataloged under National Stock Number 3020-00-293-3362, 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 L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 28 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 | 3020-00-293-3362 |
| Primary Part Number | 875120 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Aviation Products, Inc. Dba L3 Technologies |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.3745 INCHES BOTH ENDS IN |
| Helix Angle | 24.0000 DEGREES |
| Hub Nominal Diameter | 1.312 INCHES SECOND END IN |
| Teeth Quantity | 103 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.125 INCHES BOTH ENDS IN |
| First Step Nominal Length | 0.080 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 2.8187 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.312 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Mounting Hole Nominal Thread Size | 0.250 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| End Nominal Length | 0.045 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.8662 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 20 TRANSVERSELY THROUGH HUB FIRST END |
| End Nominal Diameter | 0.624 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY BODY |
| Material | FIBER TEETH |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.500 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 |
|---|---|
| 875120 PRIMARY | L3 Aviation Products, Inc. Dba L3 Technologies (USA) |
NSN 3020-00-293-3362 is a Gear,helical, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-293-3362 has 1 manufacturer part number on file: 875120 (L3 Aviation Products, Inc. Dba L3 Technologies).
Key specifications for 875120: Bore Nominal Diameter: 0.3745 INCHES BOTH ENDS IN; Helix Angle: 24.0000 DEGREES; Hub Nominal Diameter: 1.312 INCHES SECOND END IN; Teeth Quantity: 103. 28 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.