The Gear,spur, cataloged under National Stock Number 3020-00-980-0508, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-980-0508 |
| Primary Part Number | 1170430 |
| Item Name | Gear,spur |
| 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 | 0.438 INCHES COUNTER BORE SECOND END IN |
| Hub Nominal Diameter | 0.813 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.813 INCHES SECOND END IN |
| Backlash Designation | GRADE D |
| Teeth Quantity | 180 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.438 INCHES COUNTER BORE SECOND END IN |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.120 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.099 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 13 |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-763,CLASS302 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.8750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 1.896 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 302 OVERALL |
| Counterbore Nominal Depth | 0.031 INCHES COUNTER BORE SECOND END IN |
| Face Nominal Width | 0.125 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 |
|---|---|
| 1170430 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-980-0508 is a Gear,spur, 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 3020-00-980-0508 has 1 manufacturer part number on file: 1170430 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1170430: Bore Nominal Diameter: 0.438 INCHES COUNTER BORE SECOND END IN; Hub Nominal Diameter: 0.813 INCHES FIRST END IN; Hub Nominal Diameter: 0.813 INCHES SECOND END IN; Backlash Designation: GRADE D. 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.