The Gear,worm, cataloged under National Stock Number 3020-00-274-2965, 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 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-274-2965 |
| Primary Part Number | 317658PC3 |
| Item Name | Gear,worm |
| 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 |
| Thread Form Direction | LEFT-HAND |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS IN |
| Helix Angle | 4.7665 DEGREES |
| Hub Nominal Diameter | 2.625 INCHES BOTH ENDS IN |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.015 INCHES BOTH ENDS IN |
| Face Type | STRAIGHT |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-C-645 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.2500 INCHES NOMINAL IN |
| Features Provided | INTEGRAL KEY |
| Hub Style Designator | PLAIN BOTH ENDS |
| Thread Form Quantity | 1 |
| Nominal Outside Diameter | 3.725 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY 642 OVERALL |
| Face Nominal Width | 2.750 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 |
|---|---|
| 317658PC3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-274-2965 is a Gear,worm, 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 3020-00-274-2965 has 1 manufacturer part number on file: 317658PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 317658PC3: Thread Form Direction: LEFT-HAND; Bore Nominal Diameter: 1.375 INCHES BOTH ENDS IN; Helix Angle: 4.7665 DEGREES; Hub Nominal Diameter: 2.625 INCHES BOTH ENDS IN. 17 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.