The Gear,helical, cataloged under National Stock Number 3020-00-764-7837, 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 22 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-764-7837 |
| Primary Part Number | 311770 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Teeth Quantity | 40 |
| Attachment Method | MOUNTING HOLE |
| Material | PLASTIC POLYAMIDE NYLON BODY |
| Material | STEEL HUB |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.531 INCHES FIRST END IN |
| Face Nominal Width | 0.500 INCHES IN |
| Body Style | PLAIN, SOLID |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 1.3125 INCHES IN |
| Tooth Direction | RIGHT |
| Tooth Form | SPECIAL |
| Bore Nominal Diameter | 0.3125 INCHES BOTH ENDS IN |
| Material | PLASTIC POLYAMIDE NYLON TEETH |
| Teeth Type | SINGLE HELIX |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Nominal Diameter | 0.141 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Hub Nominal Diameter | 0.688 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Helix Angle | 17.0000 DEGREES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 311770 PRIMARY | Telemechanics Inc (USA) |
NSN 3020-00-764-7837 is a Gear,helical, manufactured by Telemechanics Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-764-7837 has 1 cross-referenced part number: 311770 (Telemechanics Inc).
There is 1 known substitute for 3020-00-764-7837: 5905-01-073-7321. Verify interchangeability with system specifications before substitution.
Key specifications for 311770: Teeth Quantity: 40; Attachment Method: MOUNTING HOLE; Material: PLASTIC POLYAMIDE NYLON BODY; Material: STEEL HUB. 23 total characteristics are documented in the Federal Logistics Information System.