The Gear,spur, cataloged under National Stock Number 3020-00-709-0771, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-709-0771 |
| Primary Part Number | 820116 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Aviation Products, Inc. Dba L3 Technologies |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.241 INCHES BOTH ENDS IN |
| Teeth Quantity | 90 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1280 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.2130 INCHES FIRST END IN |
| First Step Nominal Length | 0.0400 INCHES SECOND END IN |
| First Step Nominal Length | 0.1530 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.8750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.750 INCHES SECOND END IN |
| First Step Nominal Diameter | 1.000 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| End Nominal Length | 0.0600 INCHES FIRST END IN |
| End Nominal Length | 0.0880 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.917 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| End Nominal Diameter | 0.7500 INCHES FIRST END IN |
| End Nominal Diameter | 0.6250 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY OVERALL |
| Face Nominal Width | 0.100 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 |
|---|---|
| 820116 PRIMARY | L3 Aviation Products, Inc. Dba L3 Technologies (USA) |
| Reference | Meaning |
|---|---|
| 820116 | 5/9 Secondary reference Profile Gear Corp |
NSN 3020-00-709-0771 is a Gear,spur, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-709-0771 has 1 manufacturer part number on file: 820116 (L3 Aviation Products, Inc. Dba L3 Technologies).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-178-0608. Verify interchangeability with system specifications before substitution.
Key specifications for 820116: Bore Nominal Diameter: 0.241 INCHES BOTH ENDS IN; Teeth Quantity: 90; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 23 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.