The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-031-8519, 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 2 commercial cross-references from 2 manufacturers, 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 | 3020-01-031-8519 |
| Primary Part Number | 2502813 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE OVERALL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Nominal Length | 0.065 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.343 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Tooth Form | STANDARD |
| Second Step Nominal Diameter | 0.750 INCHES FIRST END IN |
| Second Step Nominal Length | 0.030 INCHES FIRST END IN |
| Pitch Diameter | 1.5625 INCHES NOMINAL IN |
| Attachment Method | MOUNTING HOLE |
| Pressure Angle | 20.0000 DEGREES |
| Hub Style Designator | 2 STEPS FIRST END |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 1.604 INCHES IN |
| Teeth Quantity | 75 |
| First Step Nominal Length | 0.044 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.139 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| First Step Nominal Diameter | 0.437 INCHES FIRST END IN |
| Face Nominal Width | 0.104 INCHES IN |
| Material | STEEL COMP 303 OVERALL |
| End Nominal Diameter | 0.187 INCHES FIRST END IN |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Mounting Hole Type and Quantity | 2 PLAIN AXIALLY THROUGH HUB FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-01-031-8519 is a Gear,antibacklash,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 3020-01-031-8519 has 2 cross-referenced part numbers: 2502813 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 01-487 (Secs Inc).
There are 3 known substitutes for 3020-01-031-8519: 5136-00-243-1535, 2805-00-353-8833, 5935-00-988-5475. Verify interchangeability with system specifications before substitution.
Key specifications for 2502813: Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Nominal Length: 0.065 INCHES FIRST END IN; Mounting Hole Nominal Diameter: 0.343 INCHES AXIALLY THROUGH HUB FIRST END IN. 23 total characteristics are documented in the Federal Logistics Information System.