The Gear,helical, cataloged under National Stock Number 3020-00-334-2089, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-334-2089 |
| Primary Part Number | 268585PC1 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.698 INCHES BOTH ENDS IN |
| Helix Angle | 30.0483 DEGREES |
| Hub Nominal Diameter | 2.750 INCHES FIRST END IN |
| Hub Nominal Diameter | 3.000 INCHES SECOND END IN |
| Teeth Quantity | 57 |
| Body Style | WEBBED, OFFSET, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.256 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.572 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 235.0 BRINELL STANDARD MINIMUM AND 270.0 BRINELL STANDARD MAXIMUM OVERALL |
| Nominal Overall Length | 2.328 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 7.2050 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 6 BOTH ENDS |
| Nominal Outside Diameter | 7.4230 INCHES IN |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.8280 INCHES FIRST END IN |
| Face Nominal Width | 1.500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 268585PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 265585PC1 | Navsurfwarcen Det Picatinny (USA) |
| 231523-8 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 265858PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 265585PC1 | 5/9 Secondary reference Department of the Navy Naval Surface Warfare Center Crane Detachment |
NSN 3020-00-334-2089 is a Gear,helical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-334-2089 has 4 manufacturer part numbers on file: 268585PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 265585PC1 (Navsurfwarcen Det Picatinny), 231523-8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 265858PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 268585PC1: Bore Nominal Diameter: 1.698 INCHES BOTH ENDS IN; Helix Angle: 30.0483 DEGREES; Hub Nominal Diameter: 2.750 INCHES FIRST END IN; Hub Nominal Diameter: 3.000 INCHES SECOND END IN. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.