The Gear,spur, cataloged under National Stock Number 3020-00-012-4004, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-012-4004 |
| Primary Part Number | 1225949-9 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Hole Nominal Diameter | 0.112 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 1.167 INCHES IN |
| End Nominal Length | 0.110 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Material Document and Classification | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | 1 STEP FIRST END |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Mounting Hole Type and Quantity | 2 PLAIN AXIALLY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.300 INCHES FIRST END IN |
| End Nominal Diameter | 0.250 INCHES FIRST END IN |
| Teeth Quantity | 54 |
| Bore Style | PLAIN BOTH ENDS |
| First Step Nominal Diameter | 0.560 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pressure Angle | 20.0000 DEGREES |
| Bolt Hole Circle Nominal Diameter | 0.375 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Tooth Form | STANDARD |
| First Step Nominal Length | 0.190 INCHES FIRST END IN |
| Bore Nominal Diameter | 0.187 INCHES BOTH ENDS IN |
| Face Nominal Width | 0.095 INCHES IN |
| Body Style | PLAIN, SOLID |
| Pitch Diameter | 1.1250 INCHES NOMINAL IN |
| Attachment Method | MOUNTING HOLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1225949-9 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1225949 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 59-820-9 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3020-00-012-4004 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-012-4004 has 3 cross-referenced part numbers: 1225949-9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1225949 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 59-820-9 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 4 known substitutes for 3020-00-012-4004: 3020-00-012-3988, 3020-00-012-3995, 3020-00-042-6764 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1225949-9: Mounting Hole Nominal Diameter: 0.112 INCHES AXIALLY THROUGH HUB FIRST END IN; Nominal Outside Diameter: 1.167 INCHES IN; End Nominal Length: 0.110 INCHES FIRST END IN; Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11. 23 total characteristics are documented in the Federal Logistics Information System.