The Gear,spur, cataloged under National Stock Number 3020-00-223-0146, 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 Instrument Systems Corp. Government technical data includes 18 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 | 3020-00-223-0146 |
| Primary Part Number | 6019-103 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Instrument Systems Corp |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.638 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.900 INCHES FIRST END IN |
| Teeth Quantity | 168 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.687 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.170 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.0990 INCHES MINIMUM AND 2.1000 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.124 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Counterbore Nominal Depth | 0.098 INCHES SECOND END IN |
| Face Nominal Width | 0.110 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 |
|---|---|
| 6019-103 PRIMARY | Instrument Systems Corp (USA) |
NSN 3020-00-223-0146 is a Gear,spur, manufactured by Instrument Systems Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-223-0146 has 1 manufacturer part number on file: 6019-103 (Instrument Systems Corp).
Key specifications for 6019-103: Bore Nominal Diameter: 1.638 INCHES FIRST END IN; Hub Nominal Diameter: 1.900 INCHES FIRST END IN; Teeth Quantity: 168; Body Style: PLAIN, SOLID. 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.