The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-834-2349, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-834-2349 |
| Primary Part Number | 170720-4 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bore Style | PLAIN BOTH ENDS |
| Hub Style Designator | SPLIT FIRST END |
| Face Nominal Width | 0.104 INCHES IN |
| Backlash Designation | GRADE C |
| Clamping Surface Nominal Length | 0.281 INCHES FIRST END IN |
| Teeth Quantity | 130 |
| Precision Classification | QUALITY NUMBER 10 |
| Pitch Diameter | 2.7075 INCHES NOMINAL IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Tooth Form | STANDARD |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUB |
| Nominal Outside Diameter | 2.749 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-834-2349 is a Gear,antibacklash,spur, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-834-2349 has 2 cross-referenced part numbers: 170720-4 (L3harris Technologies, Inc Div Space & Airborne Systems), 170720 (L3harris Technologies, Inc Div Space & Airborne Systems).
There are 8 known substitutes for 3020-00-834-2349: 5905-00-111-4727, 3020-00-275-2052, 3120-00-339-2630 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 170720-4: Material: STEEL CORROSION RESISTING OVERALL; Bore Style: PLAIN BOTH ENDS; Hub Style Designator: SPLIT FIRST END; Face Nominal Width: 0.104 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.