The Gear,spur, cataloged under National Stock Number 3020-00-562-4301, 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 Viking Technologies, Ltd.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-562-4301 |
| Primary Part Number | 159-1128 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.4280 INCHES FIRST END IN |
| Teeth Quantity | 24 |
| Body Style | PLAIN, SOLID |
| Bore Style | FLATTED SIDES BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.0625 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.5420 INCHES IN |
| Nominal Radius | 0.125 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 0.125 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 159-1128 | Viking Technologies, Ltd. (USA) |
| FTC159-1128 | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| G47P5108 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-562-4301 is a Gear,spur, manufactured by Viking Technologies, Ltd., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-562-4301 has 2 manufacturer part numbers on file: 159-1128 (Viking Technologies, Ltd.), FTC159-1128 (Viking Technologies, Ltd.).
Key specifications for 159-1128: Hub Nominal Diameter: 0.4280 INCHES FIRST END IN; Teeth Quantity: 24; Body Style: PLAIN, SOLID; Bore Style: FLATTED SIDES BOTH ENDS. 14 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.
NSN 3020-00-562-4301 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.