The Gear,spur, cataloged under National Stock Number 3020-01-012-2198, 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 Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-012-2198 |
| Primary Part Number | 119839 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.094 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.125 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.250 INCHES FIRST END IN |
| Teeth Quantity | 28 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 THREADED AXIALLY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.160 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.005 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.2333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | 1 GROOVE FIRST END |
| Mounting Hole Nominal Thread Size | 0.086 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 0.250 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nominal Distance From End to First Groove | 0.120 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| First Groove Nominal Diameter | 0.210 INCHES FIRST END IN |
| First Groove Nominal Width | 0.040 INCHES FIRST END IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH HUB FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.090 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 119839 PRIMARY | Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 119839 | 5/9 Secondary reference Astronautics Corporation of America |
NSN 3020-01-012-2198 is a Gear,spur, manufactured by Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-012-2198 has 1 manufacturer part number on file: 119839 (Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace).
Key specifications for 119839: Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.125 INCHES SECOND END IN; Hub Nominal Diameter: 0.250 INCHES FIRST END IN; Teeth Quantity: 28. 27 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 3020-01-012-2198 has DEMIL Code D. 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.