The Gear,spur, cataloged under National Stock Number 3020-00-409-6865, 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 Telemechanics Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-409-6865 |
| Primary Part Number | 196490 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.339 INCHES FIRST END IN |
| Teeth Quantity | 40 |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Overall Length | 0.408 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.309 INCHES IN |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.118 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 |
|---|---|
| 196490 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 196490 | C/1 Advisory reference — outside the item-of-supply concept American Telephone and Telegraph Co |
NSN 3020-00-409-6865 is a Gear,spur, manufactured by Telemechanics Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-409-6865 has 1 manufacturer part number on file: 196490 (Telemechanics Inc).
Key specifications for 196490: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.339 INCHES FIRST END IN; Teeth Quantity: 40; Bore Style: W/COUNTERBORE BOTH ENDS. 11 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.