The Gear,spur, cataloged under National Stock Number 3020-00-562-4306, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-562-4306 |
| Primary Part Number | 159-1133 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.6270 INCHES COUNTER BORE SECOND END IN |
| Hub Nominal Diameter | 0.9950 INCHES FIRST END IN |
| Teeth Quantity | 80 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.0156 INCHES COUNTER BORE SECOND END IN |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Mounting Hole Type and Quantity | 4 PLAIN AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1960 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.120 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-P-17091,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.281 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.812 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Counterbore Nominal Depth | 0.0625 INCHES COUNTER BORE SECOND END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.189 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 |
|---|---|
| 159-1133 | Viking Technologies, Ltd. (USA) |
| FTC159-1133 | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| G47P5115 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-562-4306 is a Gear,spur, manufactured by Viking Technologies, Ltd., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-562-4306 has 2 manufacturer part numbers on file: 159-1133 (Viking Technologies, Ltd.), FTC159-1133 (Viking Technologies, Ltd.).
Key specifications for 159-1133: Bore Nominal Diameter: 0.6270 INCHES COUNTER BORE SECOND END IN; Hub Nominal Diameter: 0.9950 INCHES FIRST END IN; Teeth Quantity: 80; Body Style: PLAIN, SOLID. 21 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.