The Gear,helical, cataloged under National Stock Number 3020-00-528-7139, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Norfolk Naval Shipyard. Government technical data includes 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-7139 |
| Primary Part Number | 6315 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Norfolk Naval Shipyard |
| Status | ACTIVE |
| Hub Style Designator | PLAIN BOTH ENDS |
| Pitch Diameter | 5.9264 INCHES NOMINAL IN |
| Teeth Quantity | 53 |
| Hub Nominal Diameter | 1.812 INCHES SECOND END IN |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | PROTRUDING HUBS |
| Tooth Form | STANDARD |
| Helix Angle | 26.8333 DEGREES |
| Tooth Direction | LEFT |
| Teeth Type | SINGLE HELIX |
| Bore Nominal Diameter | 1.431 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.093 INCHES SECOND END IN |
| Nominal Outside Diameter | 6.1260 INCHES IN |
| Nominal Overall Length | 1.562 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Face Nominal Width | 1.250 INCHES IN |
| Material | PLASTIC PHENOLIC AND COTTON TEETH |
| Hardness Rating | 90.0 ROCKWELL SUPERFICIAL 45-N MINIMUM AND 100.0 ROCKWELL SUPERFICIAL 45-N MAXIMUM TEETH |
| Body Style | WEBBED, OFFSET, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6315 | Norfolk Naval Shipyard (USA) |
NSN 3020-00-528-7139 is a Gear,helical, manufactured by Norfolk Naval Shipyard, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-528-7139 has 1 cross-referenced part number: 6315 (Norfolk Naval Shipyard).
There are 12 known substitutes for 3020-00-528-7139: 4710-00-057-2409, 5950-00-121-9165, 3110-00-144-8574 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6315: Hub Style Designator: PLAIN BOTH ENDS; Pitch Diameter: 5.9264 INCHES NOMINAL IN; Teeth Quantity: 53; Hub Nominal Diameter: 1.812 INCHES SECOND END IN. 19 total characteristics are documented in the Federal Logistics Information System.