The Gear,internal, cataloged under National Stock Number 3020-00-542-4103, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-542-4103 |
| Primary Part Number | 72105 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Precision Classification | QUALITY NUMBER 8 |
| Nominal Overall Length | 2.125 INCHES IN |
| Teeth Quantity | 228 |
| Style Designator | RECESSED RING |
| Nominal Outside Diameter | 21.1870 INCHES IN |
| Counterbore Nominal Diameter | 19.6875 INCHES FIRST END IN |
| Tooth Form | STANDARD |
| Teeth Type | SPUR |
| Pressure Angle | 20.0000 DEGREES |
| Body Style | PLAIN, SOLID |
| Face Nominal Width | 1.000 INCHES IN |
| Pitch Diameter | 19.0000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 72105 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 3020-00-542-4103 is a Gear,internal, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-542-4103 has 1 cross-referenced part number: 72105 (L3harris Technologies, Inc Div Space & Airborne Systems).
There are 6 known substitutes for 3020-00-542-4103: 3040-00-031-2472, 6640-00-307-5715, 3750-00-618-8077 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 72105: Precision Classification: QUALITY NUMBER 8; Nominal Overall Length: 2.125 INCHES IN; Teeth Quantity: 228; Style Designator: RECESSED RING. 12 total characteristics are documented in the Federal Logistics Information System.