The Gear,helical, cataloged under National Stock Number 3020-00-289-9798, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 18 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-289-9798 |
| Primary Part Number | 161330 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Teeth Quantity | 49 |
| Attachment Method | MOUNTING HOLE |
| Teeth Type | SINGLE HELIX |
| Material | PLASTIC PHENOLIC OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.312 INCHES IN |
| Bolt Hole Circle Nominal Diameter | 0.812 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Tooth Direction | RIGHT |
| Helix Angle | 22.5000 DEGREES |
| Tooth Form | STANDARD |
| Mounting Hole Type and Quantity | 3 PLAIN AXIALLY THROUGH BODY FIRST END |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Nominal Diameter | 0.147 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Nominal Outside Diameter | 1.8214 INCHES IN |
| Style Designator | HUBLESS |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| Body Style | PLAIN, SOLID |
| Bore Nominal Diameter | 0.3750 INCHES BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-289-9798 is a Gear,helical, manufactured by Telemechanics Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-289-9798 has 2 cross-referenced part numbers: 161330 (Telemechanics Inc), 161330 (At and T Corp).
There is 1 known substitute for 3020-00-289-9798: 5120-00-224-2647. Verify interchangeability with system specifications before substitution.
Key specifications for 161330: Teeth Quantity: 49; Attachment Method: MOUNTING HOLE; Special Features: MOUNTING HOLES 120 DEGREES APART; Teeth Type: SINGLE HELIX. 19 total characteristics are documented in the Federal Logistics Information System.