The Gear,spur, cataloged under National Stock Number 3020-00-780-6306, 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 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 15 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 | 3020-00-780-6306 |
| Primary Part Number | HYLC90 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.156 INCHES FIRST END IN |
| Teeth Quantity | 34 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.5550 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.5312 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | 1 GROOVE FIRST END |
| Nominal Outside Diameter | 0.563 INCHES IN |
| Nominal Distance From End to First Groove | 0.0468 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL CORROSION RESISTING BODY |
| First Groove Nominal Diameter | 0.125 INCHES FIRST END IN |
| First Groove Nominal Width | 0.0312 INCHES FIRST END IN |
| Face Nominal Width | 0.250 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 |
|---|---|
| HYLC90 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
NSN 3020-00-780-6306 is a Gear,spur, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-780-6306 has 1 manufacturer part number on file: HYLC90 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
Key specifications for HYLC90: Hub Nominal Diameter: 0.156 INCHES FIRST END IN; Teeth Quantity: 34; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.5550 INCHES FIRST END IN. 15 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.