The Gear Cluster, cataloged under National Stock Number 3020-00-960-4120, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Reflex Controls Co. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-960-4120 |
| Primary Part Number | 102-521 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Reflex Controls Co |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 2024 FIRST GEARUNABLE TO DECODE |
| Hub Style Designator | PINNED SECOND ENDUNABLE TO DECODE |
| Design Type | SPUR FIRST GEARUNABLE TO DECODE |
| Nominal Outside Diameter | 1.030 INCHES SECOND GEARUNABLE TO DECODE IN |
| Hub Nominal Diameter | 0.950 INCHES SECOND ENDUNABLE TO DECODE IN |
| Material Document and Classification | UNABLE TO DECODE |
| Surface Treatment | PASSIVATE SECOND GEAR |
| Surface Treatment | UNABLE TO DECODE |
| Surface Treatment | ANODIZE FIRST GEAR |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| Material Document and Classification | UNABLE TO DECODE |
| Surface Treatment | PASSIVATE SHAFT/HUB |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB |
| Material | STEEL COMP 303S SHAFT/HUBUNABLE TO DECODE |
| Surface Treatment | UNABLE TO DECODE |
| Material | STEEL COMP 303S SHAFT/HUB |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR |
| Material Document and Classification | QQ-S-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| Construction | ASSEMBLED |
| Nominal Overall Length | 0.860 INCHES IN |
| Bore Style | PLAIN BOTH ENDSUNABLE TO DECODE |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE |
| Hub Style Designator | SPLIT FIRST ENDUNABLE TO DECODE |
| Hub Nominal Length | 0.156 INCHES SECOND ENDUNABLE TO DECODE IN |
| Hub Nominal Length | 0.2170 INCHES FIRST ENDUNABLE TO DECODE IN |
| Attachment Method | MOUNTING HOLE AND CLAMP |
| Hub Nominal Diameter | 0.313 INCHES FIRST ENDUNABLE TO DECODE IN |
| Hub Nominal Length | 0.234 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN |
| Hub Nominal Diameter | 0.560 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN |
| Design Type | SPUR SECOND GEARUNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-960-4120 is a Gear Cluster, manufactured by Reflex Controls Co, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-960-4120 has 2 cross-referenced part numbers: 102-521 (Reflex Controls Co), 102-521 (Profile Gear Corp).
There are 8 known substitutes for 3020-00-960-4120: 5950-00-019-1437, 6150-00-086-7236, 5360-00-266-4789 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 102-521: Material: ALUMINUM ALLOY 2024 FIRST GEARUNABLE TO DECODE; Hub Style Designator: PINNED SECOND ENDUNABLE TO DECODE; Design Type: SPUR FIRST GEARUNABLE TO DECODE; Nominal Outside Diameter: 1.030 INCHES SECOND GEARUNABLE TO DECODE IN. 30 total characteristics are documented in the Federal Logistics Information System.