The Gear,helical, cataloged under National Stock Number 3020-01-065-2045, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-065-2045 |
| Primary Part Number | 3331242 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Face Nominal Width | 0.258 INCHES IN |
| Bore Nominal Diameter | 0.4995 INCHES BOTH ENDS IN |
| Body Style | PLAIN, SOLID |
| Nominal Outside Diameter | 1.3060 INCHES IN |
| Material Document and Classification | MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Style Designator | HUBLESS |
| Teeth Type | SINGLE HELIX |
| Teeth Quantity | 30 |
| Material | COPPER ALLOY OVERALL |
| Helix Angle | 45.0000 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Tooth Direction | RIGHT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3331242 | Naval Sea Systems Command (USA) |
| K137 | The Electric Tachometer Corp. (USA) |
| 3331242APC28 | Naval Sea Systems Command (USA) |
NSN 3020-01-065-2045 is a Gear,helical, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-065-2045 has 3 cross-referenced part numbers: 3331242 (Naval Sea Systems Command), K137 (The Electric Tachometer Corp.), 3331242APC28 (Naval Sea Systems Command).
There are 10 known substitutes for 3020-01-065-2045: 6320-00-225-7013, 3020-01-064-5597, 3020-01-064-6126 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3331242: Face Nominal Width: 0.258 INCHES IN; Bore Nominal Diameter: 0.4995 INCHES BOTH ENDS IN; Body Style: PLAIN, SOLID; Nominal Outside Diameter: 1.3060 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.