The Gear,spur, cataloged under National Stock Number 3020-00-021-3185, 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 24 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-021-3185 |
| Primary Part Number | 1770759 |
| 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 |
| Bore Style | PARTIAL SECOND END |
| Teeth Quantity | 80 |
| Surface Treatment | PASSIVATE HUB |
| Bore Nominal Diameter | 0.1876 INCHES SECOND END IN |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.190 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Hub Nominal Diameter | 0.310 INCHES BOTH ENDS IN |
| Bore Nominal Depth | 0.630 INCHES SECOND END IN |
| Material Document and Classification | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE HUB |
| Material | ALUMINUM ALLOY 6061 BORE SURFACE |
| Surface Treatment | ANODIZE BORE SURFACE |
| Clamping Surface Nominal Length | 0.230 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.410 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.7070 INCHES IN |
| Hub Style Designator | SPLIT FIRST END |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Tooth Form | STANDARD |
| Face Nominal Width | 0.125 INCHES IN |
| Material | STEEL COMP 416 HUB |
| Material Document and Classification | QQ-A-250/11,ALLOY 6061,T6 FED SPEC SINGLE MATERIAL RESPONSE BORE SURFACE |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.6657 INCHES MINIMUM AND 1.6667 INCHES MAXIMUM IN |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-021-3185 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 3020-00-021-3185 has 2 cross-referenced part numbers: 1770759 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 93-114 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 5 known substitutes for 3020-00-021-3185: 2530-00-288-0851, 5962-01-097-3897, 4240-01-249-3192 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1770759: Bore Style: PARTIAL SECOND END; Teeth Quantity: 80; Surface Treatment: PASSIVATE HUB; Bore Nominal Diameter: 0.1876 INCHES SECOND END IN. 25 total characteristics are documented in the Federal Logistics Information System.