The Gear Cluster, cataloged under National Stock Number 3020-01-088-0702, 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. 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 | 3020-01-088-0702 |
| Primary Part Number | 149621-02 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.095 INCHES BOTH ENDS0.095 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.172 INCHES FIRST END0.172 INCHES FIRST END IN |
| Design Type | SPUR SECOND GEARSPUR SECOND GEAR |
| Design Type | HELICAL FIRST GEARHELICAL FIRST GEAR |
| Bore Style | PLAIN BOTH ENDSPLAIN BOTH ENDS |
| Nominal Overall Length | 0.400 INCHES0.400 INCHES IN |
| Material Document and Classification | L-P-392,TYPE 1,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEARL-P-392,TYPE 1,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| Material Document and Classification | QQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEARQQ-B-679,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| Hub Style Designator | PLAIN FIRST ENDPLAIN FIRST END |
| Hub Nominal Length | 0.0060 INCHES FIRST END0.0060 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.2078 INCHES SECOND GEAR0.2078 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 0.8640 INCHES FIRST GEAR0.8640 INCHES FIRST GEAR IN |
| Material | COPPER ALLOY SECOND GEARCOPPER ALLOY SECOND GEAR |
| Material | PLASTIC ACETAL FIRST GEARPLASTIC ACETAL FIRST GEAR |
| Construction | ASSEMBLEDASSEMBLED |
| 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 |
|---|---|
| 149621-02 PRIMARY | Ge Aviation Systems Llc (USA) |
NSN 3020-01-088-0702 is a Gear Cluster, manufactured by Ge Aviation Systems Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-088-0702 has 1 manufacturer part number on file: 149621-02 (Ge Aviation Systems Llc).
Key specifications for 149621-02: Bore Nominal Diameter: 0.095 INCHES BOTH ENDS0.095 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.172 INCHES FIRST END0.172 INCHES FIRST END IN; Design Type: SPUR SECOND GEARSPUR SECOND GEAR; Design Type: HELICAL FIRST GEARHELICAL FIRST GEAR. 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.