The Gear,spur, cataloged under National Stock Number 3020-01-198-8743, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-198-8743 |
| Primary Part Number | 1320286 |
| 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 | 0.625 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.843 INCHES FIRST END IN |
| Teeth Quantity | 154 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.218 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.8500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 14 BOTH ENDS |
| Nominal Outside Diameter | 3.900 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8622H OVERALL |
| Counterbore Nominal Depth | 0.093 INCHES FIRST END IN |
| Spline Pitch Diameter | 0.5833 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.375 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 |
NSN 3020-01-198-8743 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 3020-01-198-8743 has 2 manufacturer part numbers on file: 1320286 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1320286 (Bae Systems Land & Armaments L.p.).
Key specifications for 1320286: Bore Nominal Diameter: 0.625 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.843 INCHES FIRST END IN; Teeth Quantity: 154; Body Style: PLAIN, WITH LIGHTENING HOLES. 18 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.