The Gear,internal, cataloged under National Stock Number 3020-00-843-2434, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-843-2434 |
| Primary Part Number | 23078 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| Surface Treatment | CADMIUM OVERALL |
| Mounting Hole Nominal Diameter | 0.138 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Pitch Diameter | 1.9500 INCHES NOMINAL IN |
| Material | STEEL COMP E4340 OVERALL |
| Bolt Hole Circle Nominal Diameter | 1.810 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Bore Nominal Diameter | 1.280 INCHES BOTH ENDS IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SPUR |
| Nominal Overall Length | 0.500 INCHES IN |
| Mounting Hole Type and Quantity | 3 COUNTERSUNK AXIALLY THROUGH BODY FIRST END |
| Style Designator | SOLID BACK RING, HUBLESS |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.500 INCHES IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Attachment Method | MOUNTING HOLE |
| Nominal Outside Diameter | 2.3000 INCHES IN |
| Body Style | PLAIN, SOLID |
| Teeth Quantity | 39 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 23078 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
NSN 3020-00-843-2434 is a Gear,internal, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-843-2434 has 1 cross-referenced part number: 23078 (Hydro-Aire Aerospace Corp).
There are 2 known substitutes for 3020-00-843-2434: 6645-00-536-1518, 5950-01-069-6086. Verify interchangeability with system specifications before substitution.
Key specifications for 23078: Surface Treatment: CADMIUM OVERALL; Mounting Hole Nominal Diameter: 0.138 INCHES AXIALLY THROUGH BODY FIRST END IN; Pitch Diameter: 1.9500 INCHES NOMINAL IN; Material: STEEL COMP E4340 OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.