The Gear,helical, cataloged under National Stock Number 3020-00-815-8940, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-815-8940 |
| Primary Part Number | 77044 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Helix Angle | 4.4000 DEGREES |
| Attachment Method | MOUNTING HOLE |
| Teeth Quantity | 75 |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Teeth Type | SINGLE HELIX |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Nominal Thread Size | 0.112 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Face Nominal Width | 1.156 INCHES IN |
| Nominal Outside Diameter | 1.2830 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Bore Nominal Diameter | 0.1250 INCHES BOTH ENDS IN |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Mounting Hole Thread Quantity Per Inch | 40 TRANSVERSELY THROUGH HUB FIRST END |
| Hub Style Designator | PINNED FIRST END |
| Pressure Angle | 20.0000 DEGREES |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Tooth Form | STANDARD |
| Nominal Overall Length | 0.328 INCHES IN |
| Hub Nominal Diameter | 0.375 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Nominal Distance Between Body Face and Protruding Hub End | 0.172 INCHES FIRST END IN |
| Tooth Direction | RIGHT |
| Surface Treatment | TIN OVERALL |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 77044 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 3020-00-815-8940 is a Gear,helical, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-815-8940 has 1 cross-referenced part number: 77044 (L3harris Technologies, Inc Div Space & Airborne Systems).
There are 7 known substitutes for 3020-00-815-8940: 1285-00-052-5581, 4720-01-031-6461, 5962-01-118-5894 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 77044: Helix Angle: 4.4000 DEGREES; Attachment Method: MOUNTING HOLE; Teeth Quantity: 75; Pitch Diameter: 1.2500 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.