The Gear,spur, cataloged under National Stock Number 3020-00-587-1579, 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 16 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 | 3020-00-587-1579 |
| Primary Part Number | JYLC808 |
| 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 |
| Bore Nominal Diameter | 0.4377 INCHES BOTH ENDS IN |
| Teeth Quantity | 70 |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 8 |
| Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS |
| Material Document and Classification | MIL-S5626,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.0938 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 1.125 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.098 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 |
|---|---|
| JYLC808 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
NSN 3020-00-587-1579 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 3020-00-587-1579 has 1 manufacturer part number on file: JYLC808 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
Key specifications for JYLC808: Bore Nominal Diameter: 0.4377 INCHES BOTH ENDS IN; Teeth Quantity: 70; Surface Treatment Document and Classification: MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID. 16 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.