The Gear Cluster, cataloged under National Stock Number 3020-00-018-5818, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-018-5818 |
| Primary Part Number | 100783 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Hub Nominal Length | 0.2810 INCHES SECOND END IN |
| Material | STEEL COMP 303 OVERALL |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Design Type | SPUR SECOND GEAR |
| Hub Nominal Length | 0.060 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Design Type | SPUR FIRST GEAR |
| Material Document and Classification | QQ-S-764,TYPE 303 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter | 0.227 INCHES FIFTH GEAR IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nominal Thread Size | 0.086 INCHES BOTH ENDS IN |
| Hub Nominal Length | 0.1560 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Nominal Outside Diameter | 0.227 INCHES FOURTH GEAR IN |
| Attachment Method | MOUNTING HOLE |
| Nominal Overall Length | 0.481 INCHES IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) BOTH ENDS |
| Bore Style | PLAIN BOTH ENDS |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 100783 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3020-00-018-5818 is a Gear Cluster, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-018-5818 has 1 cross-referenced part number: 100783 (Astronautics Corporation of America).
There are 3 known substitutes for 3020-00-018-5818: 5950-01-013-7379, 5945-01-231-2025, 5915-01-610-8835. Verify interchangeability with system specifications before substitution.
Key specifications for 100783: Hub Nominal Length: 0.2810 INCHES SECOND END IN; Material: STEEL COMP 303 OVERALL; Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR. 17 total characteristics are documented in the Federal Logistics Information System.